Humidification and dehumidification process and apparatus for chilling beverages and other food products and process of manufacture
11371767 · 2022-06-28
Assignee
Inventors
Cpc classification
F25D2317/043
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F25D31/007
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F25D2321/147
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F25D2331/809
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F25D5/02
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F25D2317/0413
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
International classification
Abstract
A novel self-cooling food product container apparatus and a process for manufacturing the same is disclosed. A self-cooling food product container combined with a substantive vapor transport system producing a humidification cooling process for cooling food and beverage products. Methods of assembling and operating the apparatus are also provided.
Claims
1. A self-cooling food product container apparatus, comprising: a food product container having a container upper end and a container lower end and having a food product container wall with a food product container wall outward surface; a humidification liquid chamber connected to said food product container; a quantity of humidification liquid within said humidification liquid chamber; a dry gas chamber extending over at least a portion of said food product container wall outward surface and in thermal communication with said food product container wall containing a quantity of dry gas having a dew point temperature for said humidification liquid of less than 10 degrees Fahrenheit; a barrier structure sealingly separating said humidification liquid chamber from said dry gas chamber; and a humidification liquid release mechanism for opening fluid communication between said humidification liquid chamber and said dry gas chamber at said barrier structure; such that operation of said humidification liquid release mechanism releases humidification liquid into said dry gas chamber, permitting said humidification liquid to evaporate into said dry gas as humidification liquid vapor within said dry gas chamber and thereby transferring heat from said food product container into said humidification liquid vapor, cooling said food product container.
2. The apparatus of claim 1, additionally comprising a quantity of Plastic Heat-shrinking Vapor Absorber within said dry gas chamber for absorbing vapor from said dry gas.
3. The apparatus of claim 1, wherein said food product container contains a quantity of food product.
4. The apparatus of claim 3, wherein said food product is a beverage.
5. The apparatus of claim 1, wherein said food product food product container comprises a product release port and a product release mechanism for operating to release food product through said product release port.
6. The apparatus of claim 5, wherein said food product container has a cylindrical food product container side wall and a food product container top wall and a food product container bottom wall, and said food product container top wall comprises said product release port.
7. The apparatus of claim 6, comprising a covering sleeve member with a covering sleeve member wall substantially impermeable to liquids, vapors and gases, said covering sleeve member wall spaced a distance outwardly from said food product container wall and having a covering sleeve member sealing portion rotatably sealed to said food product container wall and defining a closed space between said food product container wall and said covering sleeve member, said closed space containing and defining said humidification liquid chamber and said dry gas chamber, and containing said barrier structure between said humidification liquid chamber and said dry gas chamber.
8. The apparatus of claim 7, additionally comprising an extension grip extending upwardly above said covering sleeve member, wherein said covering sleeve member is rotatable relative to said food product container wall, and wherein said barrier structure comprises a ring structure within said closed space making sealing contact with said food product container wall and said covering sleeve member and slidable relative to said food product container wall, and wherein said humidification liquid release mechanism comprises a protuberance on said food product container wall wider than said ring structure and rotatably aligned with said ring structure; such that gripping said extension grip and gripping said covering sleeve member and rotating said extension grip and thus said food product container relative to said covering sleeve member moves said ring structure relative to said protuberance to a position in which said ring structure extends over said protuberance to open fluid communication between said humidification liquid chamber and said dry gas chamber.
9. The apparatus of claim 7, wherein said covering sleeve member wall is manually flexible, and wherein said barrier structure comprises a ring structure within said closed space making sealing contact with said food product container wall and said covering sleeve member wall and slidable relative to said food product container wall, and wherein said humidification liquid release mechanism comprises a protuberance on said food product container wall wider than said ring structure and adjacent to said ring structure.
10. The apparatus of claim 7, wherein said covering sleeve member wall is manually flexible and said product release mechanism comprises said barrier structure which comprises a deformable ring structure contained within said closed space and making sealing contact with said food product container wall and said covering sleeve member can be manually depressed over said deformable ring and compress and said covering sleeve member wall; said deformable ring structure being sufficiently soft to be manually compressible to create a deformation in said deformable ring structure creating a space between said covering sleeve member and said deformable ring structure, opening fluid communication between said humidification liquid chamber and said dry gas chamber through said deformation.
11. The apparatus of claim 10, wherein said deformable ring structure is formed of one of a sealing wax and a metal band and a plastic ring and a rubber ring.
12. The apparatus of claim 6, wherein said vapor passageway comprises a circumferential inward protuberance on said covering sleeve member which is positioned such that said dry gas chamber is located above said vapor passageway and said dry gas chamber is defined below said vapor passageway.
13. The apparatus of claim 7, wherein said covering sleeve member comprises a substantially heat-shrinkable material.
14. The apparatus of claim 7, wherein said covering sheet member comprises one of stretch blown polyethylene tetraphthalate, polyolefin, and shrinkable poly vinyl chloride.
15. The apparatus of claim 1, wherein said humidification liquid comprises water.
16. The apparatus of claim 1, wherein said dry gas comprises one of dry air, dry nitrogen and dry carbon dioxide.
17. The apparatus of claim 1, wherein said food product container is a can.
18. The apparatus of claim 1, wherein said food product container is a bottle.
19. A self-cooling food product container apparatus, comprising: a food product container having a food product container wall and a container upper end and a container lower end; a humidification liquid chamber connected to said food product container; a quantity of humidification liquid within said humidification liquid chamber; a dry gas chamber extending over at least a portion of said food product container wall and in thermal communication with said food product container wall and containing dry gas with a dew point temperature for said humidification liquid of less than 10 degrees Fahrenheit; a compartment forming sleeve member with a compartment forming sleeve member side wall and a compartment forming sleeve member bottom wall together defining a compartment forming sleeve member wall, said compartment forming sleeve member wall having a wick within said dry gas chamber and said wick for absorbing humidification liquid released from said humidification liquid chamber and wicking said humidification liquid away from said humidification liquid chamber along said food product container wall; a barrier structure separating said humidification liquid chamber from said dry gas chamber; and a humidification liquid release mechanism for opening fluid communication between said humidification liquid chamber and said dry gas chamber at said barrier structure; such that operation of said humidification liquid release mechanism releases humidification liquid into said dry gas chamber, permitting said humidification liquid to evaporate into said dry gas as humidification liquid vapor within said dry gas chamber and transferring heat from said food product container into said humidification liquid vapor, cooling said food product.
20. The apparatus of claim 19, wherein said compartment forming sleeve member wall has protuberances that form compartments to hold chemicals between them.
21. The apparatus of claim 19, wherein said compartment forming sleeve member wall comprises a plastic material with granules of at least one chemical compound that dissolves endothermically in said humidification liquid.
22. The apparatus of claim 20, wherein said protuberances form compartments that can hold chemicals between said compartment forming sleeve member wall and said compartment forming sleeve member wall.
23. The apparatus of claim 19, wherein said food product container contains a quantity of food product.
24. The apparatus of claim 19, additionally comprising a quantity of Plastic Heat-shrinking Vapor Absorber within said dry gas chamber for absorbing vapor from said dry gas.
25. The apparatus of claim 20, wherein said protuberances form compartments to hold chemicals between said compartment forming sleeve member wall and said food product container wall.
26. The apparatus of claim 19, wherein said food product container comprises a food product release port and a food product release mechanism for operating to release food product through said food product release port.
27. The apparatus of claim 26, wherein said food product container has a cylindrical food product container side wall and a food product container top wall and a food product container bottom wall, and said food product container top wall comprises said food product release mechanism and said product release port.
28. The apparatus of claim 27, comprising a covering sleeve member substantially impermeable to liquids, vapors and gases, spaced a distance outwardly from said food product container wall and having a covering sleeve sealing portion rotatably sealed to said food product container and defining a closed space between said food product container wall and said covering sleeve member, said closed space containing and defining said humidification liquid chamber and said dry gas chamber and containing said barrier structure between said humidification liquid chamber and said dry gas chamber.
29. The apparatus of claim 28, additionally comprising an extension grip extending upwardly above said covering sleeve member, wherein said covering sleeve member is rotatable relative to said food product container wall, and wherein said barrier structure comprises a ring structure within said closed space making sealing contact with said food product container wall and said covering sleeve member and slidable relative to said food product container wall, and wherein said humidification liquid release mechanism comprises a protuberance on said food product container wall wider than said ring structure and rotatably aligned with said ring structure such that said ring structure makes contact with and rides over said protuberance when said ring structure is rotated relative to said food product container wall; such that self-cooling is activated by gripping said extension grip and gripping said covering sleeve member and rotating said extension grip relative to said food product container to move said ring structure relative to said protuberance and thereby open fluid communication between said humidification liquid chamber and said dry gas chamber and thereby permits said humidification liquid and said dry gas to intermix and trigger an exothermic reaction.
30. The apparatus of claim 28, comprising a covering sleeve member substantially impermeable to liquid, vapor and gas, spaced a distance outwardly from said food product container wall and having a covering sleeve sealing portion sealed to said food product container and defining a closed space between said food product container wall and said covering sleeve member, said closed space containing and defining said humidification liquid chamber and said dry gas chamber; and said dry gas chamber and containing said barrier structure between said humidification liquid chamber and said dry gas chamber; said covering sleeve member sealing portion being rotatably sealed to said food product container wall and defining a closed space between said food product container wall.
31. The apparatus of claim 30, wherein said covering sleeve member is manually flexible, and wherein said barrier structure comprises a ring structure within said closed space making sealing contact with said food product container wall and said covering sleeve member wall; such that manual pressure against said covering sleeve member wall adjacent to said ring structure can protruberate said food product container wall to form said protuberance on said food product container wall and said protuberance is one of convex and concave and opens fluid communication between said humidification liquid chamber and said dry gas chamber to release said humidification liquid into said dry gas chamber, when said food product container is rotated relative to said covering sleeve member until said ring structure rides on and registers with said can protrusion.
32. The apparatus of claim 7, wherein said covering sleeve member wall is flexible and said humidification liquid release mechanism comprises a deformable ring structure contained within said closed space and making sealing contact with said food product container wall and said covering sleeve member such that said deformable ring structure can be manually depressed to compress to create a deformation creating a space between said covering sleeve member and said deformable ring structure, thereby opening fluid communication between said humidification liquid chamber and said dry gas chamber through said deformation.
33. The apparatus of claim 32, wherein said deformable ring structure is formed of sealing wax.
34. The apparatus of claim 27, wherein said covering sleeve member comprises a substantially heat shrinkable material that is attachable by glue.
35. The apparatus of claim 34, wherein said covering sleeve member comprises one of heat-shrinkable stretch blown polyethylene tetraphthalate and heat-shrinkable poly vinyl chloride.
36. The apparatus of claim 19, wherein said humidification liquid comprises water.
37. The apparatus of claim 19, wherein said dry gas comprises one of dry air, dry nitrogen and dry carbon dioxide.
38. The apparatus of claim 19, wherein said food product container is a can.
39. The apparatus of claim 19, wherein said food product container is a bottle.
40. A self-cooling food product container apparatus, comprising: a food product container having a food product container wall and a container upper end and a container lower end; a humidification liquid chamber connected to said food product container; a quantity of humidification liquid within said humidification liquid chamber; a dry gas chamber extending over at least a portion of said food product container wall and in thermal communication with said food product container wall and containing a quantity of dry gas rarefied to below ambient atmospheric pressure; a barrier structure separating said humidification liquid chamber from said dry gas chamber; an upwardly bowed collapsible sheet structure extending sealingly across the interior of said dry gas chamber bottom formed of heat-shrinkable material; a humidification liquid release mechanism for opening fluid communication between said humidification liquid chamber and said dry gas chamber at said barrier structure; such that operation of said humidification liquid release mechanism releases humidification liquid into said dry gas chamber, where low vapor pressure causes said humidification liquid to be drawn into said dry gas chamber to evaporate into a dry gas having dry gas with a dew point temperature for said humidification liquid of less than 10 degrees Fahrenheit as humidification liquid vapor into said dry gas within said dry gas chamber and transferring heat from said food product container into said humidification liquid vapor, cooling said food product container; and a quantity of plastic heat-shrinking vapor absorber within said dry gas chamber adjacent to said collapsible sheet structure; such that humidification liquid vapor released into and evaporated within said dry gas chamber is absorbed by said plastic heat-shrinking vapor absorber and causes said plastic heat-shrinking vapor absorber to release heat which is absorbed by and softens said collapsible sheet structure, causing said collapsible sheet structure to collapse downwardly, thereby expanding the volume of said dry gas chamber and rarifying said dry gas and said humidification liquid vapor along said food product container wall, transferring heat from said food product container into said dry gas and humidification liquid vapor, further cooling said food product container.
41. The apparatus of claim 40, comprising a covering sleeve member substantially impermeable to liquids, vapors and gases, spaced a distance outwardly from said food product container wall and having a covering sleeve member sealing portion sealed to said food product container wall and defining a humidification liquid chamber and a dry gas chamber; said dry gas chamber containing dry chemicals; said humidification liquid chamber containing a humidification liquid; such that when said covering sleeve member sealing portion is deformed, humidification liquid can flow to said dry gas chamber to react and be absorbed endothermically by said dry chemicals to cool said product container.
42. The apparatus of claim 41, wherein said food product container contains a food product and said food product is a beverage.
43. The apparatus of claim 40, wherein said upwardly bowed collapsible sheet structure has a substantially truncated cone shape.
44. The apparatus of claim 40, wherein said upwardly bowed collapsible sheet structure has a substantially a dome shape.
45. The apparatus of claim 41, additionally comprising a support cylinder having support cylinder holes resting on and extending to abut said food product container wall to help support said food product container within said covering sleeve member, said plastic heat-shrinking vapor absorber being retained between said support cylinder and said collapsible sheet structure, such that said support cylinder is a heat shield against heat transfer from said plastic heat-shrinking vapor absorber to said covering sleeve member to prevent substantial heat from reaching the hand of a user.
46. The apparatus of claim 45, wherein said support cylinder comprises cardboard.
47. The apparatus of claim 45, wherein said support cylinder is spaced inwardly from said covering sleeve member to define a thermal wax retention space.
48. The apparatus of claim 47, additionally comprising a circumferential layer of thermal wax within said thermal wax retention space for melting and thereby absorbing heat from said plastic heat-shrinking vapor absorber.
49. The apparatus of claim 40, wherein said upwardly bowed collapsible sheet structure has a substantially frustoconical shape.
50. The apparatus of claim 40, wherein said upwardly bowed collapsible sheet structure has a substantially cylindrical shape.
51. The apparatus of claim 40, wherein said plastic heat-shrinking vapor absorber comprises one or more of silica gels and molecular sieves and montmorillonite clays and calcium oxide and calcium sulfide and carbon sieves and phosphorous pentoxide and sodium thiocyanate and monomethyl amine-water and lithium nitrate.
52. A method of manufacturing a self-cooling food product container apparatus, comprising the steps of: providing a food product container having a container side wall and a container upper end with a container top wall and a container lower end with a container bottom wall; providing an annular covering sleeve member sealing structure; providing an annular dry gas sealing structure; placing the covering sleeve member sealing structure circumferentially around the container side wall and causing the covering sleeve member sealing structure to make sealing contact with the container side wall, and placing the dry gas sealing structure circumferentially around the container side wall and causing the dry gas sealing structure to make sealing contact with the container side wall, such that there is a distance between the dry gas sealing structure and the covering sleeve member sealing structure; providing a covering sleeve member having a covering sleeve member side wall greater in diameter than the diameters of the dry gas sealing structure and of the covering sleeve member sealing structure, and having a covering sleeve member open top end and having a covering sleeve member bottom wall sealingly joined to the covering sleeve member side wall; placing the container adjacent to the covering sleeve member open top end; orienting the container relative to the covering sleeve member open top end such that the container bottom wall is directed toward the covering sleeve member bottom wall; advancing the container into the covering sleeve member such that the dry gas sealing structure and the covering sleeve member sealing structure are contained within the covering sleeve member side wall, thereby defining between the container side wall and the covering sleeve member side wall and below the dry gas sealing structure a humidification liquid chamber, and defining between the container side wall and the covering sleeve member side wall and between the covering sleeve member sealing structure and the dry gas sealing structure a dry gas chamber; delivering a quantity of humidification liquid into the humidification liquid chamber; sealing the covering sleeve member to the dry gas sealing structure; flooding the dry gas chamber with a dry gas having dew point temperature for said humidification liquid of less than 10 degrees Fahrenheit; and sealing the covering sleeve member to the covering sleeve member sealing structure.
53. The method of claim 52, wherein the quantity of humidification liquid is delivered into the covering sleeve member through the upper end of the covering sleeve member and between the covering sleeve member and the covering sleeve member sealing structure and between the covering sleeve member and the dry gas sealing structure into the humidification liquid chamber.
54. The method of claim 52, additionally comprising the step of: partially evacuating the dry gas from the thy gas chamber to rarefy the dry gas to a pressure below the ambient atmospheric pressure surrounding the apparatus; such that upon opening fluid communication between the humidification liquid chamber and the dry gas chamber, the difference in pressure between the atmosphere surrounding the apparatus and the pressure of the dry gas in the dry gas chamber causes the covering sleeve member along the humidification liquid chamber to at least partly collapse and drive humidification liquid out of the humidification liquid chamber and into the dry gas chamber, where the humidification liquid evaporates and thereby cools the container and the food product within the container.
55. The method of claim 52, wherein the covering sleeve member is formed of heat-shrinkable plastic and wherein the sealing steps comprise: heat-shrinking the covering sleeve member into sealing contact with the dry gas sealing structure; and heat sealing the covering sleeve member into sealing contact with the covering sleeve member sealing structure.
56. The method of claim 52, wherein the covering sleeve member is formed of aluminum and wherein the sealing steps comprise: one of crimping and roll forming the covering sleeve member into sealing contact with the dry gas sealing structure; and one of crimping and roll forming the covering sleeve member into sealing contact with the covering sleeve member sealing structure.
57. A method of manufacturing a self-cooling food product container apparatus, comprising the steps of: providing a sealed food container containing a food product and having a container opening means and a container food release means, and having a container upper end with a container top wall and a container lower end with a container bottom wall and a container side wall with a container side wall outer surface area; placing a first sealing ring structure on the container side wall to circumferentially seal against the container side wall at a location that divides the container side wall outer surface into two areas; placing a second sealing ring structure on the container side wall to circumferentially seal around the container side wall at a location above the first sealing ring structure; providing a heat-shrinkable plastic covering sleeve member having a heat-shrinkable plastic covering sleeve member side wall and a heat-shrinkable plastic covering sleeve member bottom wall, the plastic covering sleeve member bottom wall having a heat-shrinkable plastic covering sleeve member bottom wall portion that forms an inwardly protruding heat-shrinkable plastic covering sleeve member annular wall and a vapor absorber annular space defined between the plastic covering sleeve member side wall and the plastic covering sleeve member bottom wall and the plastic covering sleeve member annular wall; placing a quantity of the plastic heat-shrinking vapor absorber into the vapor absorber annular space; placing the container within the heat-shrinkable plastic covering sleeve member to rest on the inwardly protruding plastic covering sleeve member annular wall, such that the plastic covering sleeve member side wall surrounds the container side wall and forms an annular dry gas chamber with the container side wall and extends up to a level above the container top wall to form a container sealing portion; heat-shrinking the heat-shrinkable plastic covering sleeve member side wall to seal the container scaling portion to the container and to form an annular humidification liquid chamber between the plastic covering sleeve member side wall, the second sealing ring structure and the container side wall and to form a sealed annular dry gas chamber for containing dry gas between the first sealing ring structure, the container side wall, and the heat-shrinkable covering sleeve member; placing a quantity of dry gas having dew point temperature for the humidification liquid of less than 10 degrees Fahrenheit into the annular dry gas chamber; placing an amount of humidification liquid in the humidification liquid chamber; heat-shrinking the heat-shrinkable plastic covering sleeve member side wall such that the covering sleeve member seals the humidification liquid chamber between the heat-shrinkable covering sleeve member side wall, the second sealing ring structure, the container side wall, and the first sealing ring structure.
58. A method of manufacturing a self-cooling food product container apparatus comprising the steps of: providing a sealed food container containing a food product and having a container opening means and a container food release means, and having a container upper end with a container top wall and a container lower end with a container bottom wall and a container side wall with a container side wall outer surface area: placing a first sealing ring structure on the container side wall to circumferentially seal against the container side wall at a location that divides the container side wall outer surface into two areas; placing a second sealing ring structure on the container side wall to circumferentially seal around the container side wall at a location above the first sealing ring structure; providing a heat-shrinkable plastic covering sleeve member having a heat-shrinkable plastic covering sleeve member side wall and a heat-shrinkable plastic covering sleeve member bottom wall, the heat-shrinkable plastic covering sleeve member bottom wall having a heat-shrinkable plastic covering sleeve member bottom wall portion that forms an inwardly protruding heat-shrinkable covering sleeve member annular wall and a shrinkable vapor absorber annular space defined between the plastic covering sleeve member side wall and the plastic covering sleeve member bottom wall and the covering sleeve member annular wall; placing a quantity of the plastic heat-shrinking vapor absorber into the shrinkable vapor absorber annular space; placing said container within said heat-shrinkable plastic covering sleeve member to sit on said inwardly protruding heat-shrinkable covering sleeve member annular wall such that said heat-shrinkable covering sleeve member side wall surrounds said container side wall and forms an annular dry gas chamber and said container side wall and extends up to a level above the container top wall to form a container sealing portion; heat-shrinking said heat-shrinkable covering sleeve member side wall to form an annular chamber between said heat-shrinkable covering sleeve member side wall, said second sealing structure and said container side wall and also to form a sealed dry gas chamber containing dry gas between said first sealing structure, said container side wall, and said heat-shrinkable covering sleeve member; flooding said annular dry gas chamber with a dry gas having dew point temperature for said humidification liquid of less than 10 degrees Fahrenheit into the annular dry gas chamber; placing an amount of humidification liquid in said annular chamber; such that when said heat-shrinkable covering sleeve member side wall is further heat shrunk, it forms a sealed humidification liquid chamber between said heat-shrinkable covering sleeve member side wall, said second sealing structure, said container side wall, and said first sealing structure.
59. A method of manufacturing a self-cooling food product container apparatus comprising the steps of: providing a food product container and having a food product container wall: providing a first sealing structure configured as a closed loop; placing the first sealing structure in sealing contact with the food container wall; providing a second sealing structure configured as a closed loop; placing the second sealing structure a distance from the first sealing structure in sealing contact with the food container wall; placing a quantity of a plastic shrinking vapor absorber adjacent to the heat-shrinkable portion to heat the heat shrinkable portion; providing a covering sleeve member having a covering sleeve member wall with a covering sleeve member wall open end and an opposing covering sleeve member wall closed end and a covering sleeve member interior, the covering sleeve member wall having a heat-shrinkable portion protruding inwardly into the covering sleeve member interior between the first sealing structure and the covering sleeve member open end; inserting the food container within the covering sleeve member interior through the covering sleeve member open end such that the second sealing structure is within the covering sleeve member interior and between the covering sleeve member open end and the first sealing structure; providing a quantity of humidification liquid; purging the space between the covering sleeve member and the food container with a dry gas having dew point temperature for the humidification liquid of less than 10 degrees Fahrenheit; sealing the covering sleeve member wall against the first sealing structure to form a dry gas chamber defined by the covering sleeve member wall and the container wall, the covering sleeve member interior and the first sealing structure and the covering sleeve member wall closed end, and forming a humidification liquid retention space between the covering sleeve member wall, the first sealing structure, the container wall, and the covering sleeve member wall open end; delivering a quantity of the humidification liquid through the covering sleeve member open end into the humidification liquid retention space; and sealing the covering sleeve member wall against the second sealing structure to form a sealed humidification liquid chamber between the covering sleeve member wall, the second sealing structure, the container wall and the first sealing structure.
60. A method of manufacturing a self-cooling food product container apparatus comprising the steps of: providing a food product container and having a food product container wall: providing a covering sleeve member having a covering sleeve member wall with a covering sleeve member wall open end and an opposing covering sleeve member wall closed end and a covering sleeve member interior, the covering sleeve member wall having a heat-shrinkable portion protruding inwardly into the covering sleeve member interior; providing a compartment forming sleeve member having a compartment forming sleeve member wall with a compartment forming sleeve member wall open end and an opposing compartment forming sleeve member wall closed end and a compartment forming sleeve member interior, the compartment forming sleeve member wall having a compartment forming sleeve member wall portion with inward protuberances and outward protuberances; providing a first sealing structure configured as a closed loop; placing the first sealing structure in sealing contact with the compartment forming sleeve member wall; providing a second sealing structure configured as a closed loop; placing the second sealing structure in sealing contact with the food container wall; wherein the inward protuberances extend from the compartment forming sleeve member wall open end to the compartment forming sleeve member wall closed end, and the outward protuberances extend from the compartment forming sleeve member wall to the first sealing structure; inserting the food container within the compartment forming sleeve member interior through the compartment forming sleeve member open end such that the container wall is held frictionally by the inward protuberances, and such that the compartment forming sleeve member open end is between the first sealing structure and the second sealing structure to form a subassembly, forming a humidification liquid retention space between the compartment forming sleeve member wall and the container wall in the subassembly; delivering a quantity of humidification liquid through the compartment forming sleeve member open end into the humidification liquid retention space; placing a quantity of a plastic shrinking vapor absorber into the covering sleeve member interior through the covering sleeve member open end to thermally contact the heat-shrinkable portion; inserting the subassembly within the covering sleeve member interior through the covering sleeve member open end such that the exterior protuberances fit frictionally against the covering sleeve member wall, and such that the second sealing structure is within the covering sleeve member interior and between the covering sleeve member open end and the compartment forming sleeve member open end; purging the space between the covering sleeve member and the subassembly with a dry gas having a dew point temperature for the humidification liquid of less than 10 degrees Fahrenheit; sealing the covering sleeve member against the first sealing structure to form a dry gas chamber defined by the covering sleeve member wall, the compartment forming sleeve member wall, the covering sleeve member interior, the first sealing structure and the covering sleeve member wall closed end; sealing the covering sleeve member wall against the second sealing structure to form a sealed humidification liquid chamber defined between the subassembly, the second sealing structure and the first sealing structure.
61. A self-cooling food product container apparatus, comprising: a food product container having a food product container wall with a food product release mechanism and with a food product container wall outside surface and containing a food product; a humidification liquid chamber connected to said food product container wall outside surface; a quantity of humidification liquid within said humidification liquid chamber; a dry gas chamber in thermal communication with said food product container wall outside surface and surrounding at least a portion of said food container wall outside surface; said dry gas chamber containing at least one of a quantity of dry gas and a quantity of dry endothermic chemical compounds; a barrier structure sealingly separating said humidification liquid chamber from said dry gas chamber; such that opening the food product release mechanism causes a pressure drop in the food product container and relaxes the barrier structure to cause humidification liquid to enter into the dry gas chamber and causing said dry gas to be hydrated and to absorb heat from the food product through the food product container wall and to one of humidify the dry gas and cause the dry endothermic chemical compounds in the dry gas chamber to endothermically dissolve and absorb heat from the food product through the food product container wall.
62. The apparatus of claim 61, wherein said food product is a carbonated beverage.
63. The apparatus of claim 61, wherein said food product release mechanism comprises a beverage release port and beverage release mechanism.
64. The apparatus of claim 61, wherein said food product container wall comprises a food product container top wall, a food product container side wall and a food product container bottom wall.
65. The apparatus of claim 61, comprising a covering sleeve member with a covering sleeve member wall that is substantially impermeable to liquids, vapors and gases; and wherein said covering sleeve member wall is spaced a distance radially outwardly from said food product container wall; and wherein portions of the covering sleeve member wall form two separate seals with said food product container wall defining said humidification liquid chamber and said dry gas chamber.
66. A humidification liquid release mechanism according to claim 65 comprising an extension grip surrounding at least a portion of said covering sleeve member wall and compressing said covering sleeve member wall to form a fluid seal with said food product container to seal off the dry gas chamber from atmosphere; and wherein upon rotating said extension grip, said fluid seal is broken to release dry gas from the dry gas chamber to atmosphere and the resulting pressure reduction in the dry gas chamber causes said barrier structure to open and release the humidification liquid into the dry gas chamber to cool the food product container.
67. The apparatus of claim 61, wherein said humidification liquid comprises water.
68. The apparatus of claim 61, wherein said dry gas comprises one of dry air, dry nitrogen, dimethyl ether, and dry carbon dioxide.
69. The apparatus of claim 61, wherein said food product container is a can.
70. The apparatus of claim 61, wherein said food product container is a bottle.
71. A self-cooling food product container apparatus, comprising: a food product container having a food product container wall which includes a food product container side wall, a food product container bottom wall and a food product container top wall, said food product container containing a food product; a covering sleeve member having a covering sleeve member side wall and a covering sleeve member bottom wall; said covering sleeve member surrounding said food product container side wall and said food product container bottom wall; said covering sleeve member side wall having a diameter greater than the diameter of said food product container side wall; a covering sleeve member seal extending circumferentially around said food product container side wall and extending between and in sealing relation between said food product container side wall and said covering sleeve member side wall; , and said covering sleeve member side wall, and said food product container side wall defining a dry chemicals chamber; said covering sleeve member seal, and said covering sleeve member side wall, and said food product container side wall and said food product container bottom wall and said covering sleeve member bottom wall defining a humidification liquid chamber; said dry gas chamber containing a quantity of dry endothermic chemicals surrounding, at least in part, said food product container side wall; and said humidification liquid chamber containing a humidification liquid and having a pressure equal to or greater than the pressure within said dry gas chamber; a cooling actuation mechanism comprising a rotatable seal that opens the dry gas chamber when rotated for opening fluid communication between said dry gas chamber and said humidification liquid chamber; such that, upon opening the rotatable seal, dry gas pressure drops and the difference in pressure between the dry gas chamber and the humidification liquid chamber causes humidification liquid to move out of said humidification liquid chamber and into said dry gas chamber, said humidification liquid endothermically dissolves said endothermic chemicals and thereby draws heat from said food product through said food product container wall to cool the food product.
72. The apparatus of claim 71, wherein said dry gas chamber contains at least one endothermically dissolving chemical compound comprising at least one of potassium chloride, ammonium chloride, ammonium nitrates, urea, and other types of endothermic salts with endothermic ionization potential.
73. A method of manufacturing a self-cooling food product container apparatus comprising the steps of: providing a covering sleeve member having a covering sleeve member wall, said covering sleeve member wall including a covering sleeve side wall and a covering sleeve member bottom wall, a covering sleeve member inner side wall and covering sleeve member outer side wall; placing a quantity of humidification liquid into said covering sleeve member to a level covering at least a portion of the covering sleeve member side wall and defining a humidification liquid level; providing a cylindrical food container containing a food product and having a food container opening means and a container food product release means, and having a food product container wall including a food product container top wall and a food product container bottom wall and a food product container side wall; providing a covering sleeve member seal above said humidification liquid level such that said covering sleeve member seal forms a barrier seal on at least a portion of said food product container wall and forms a sealed humidification liquid chamber; placing an internal sleeve member layered with dry endothermic chemicals to abut the interior of said covering sleeve member wall above said covering sleeve member seal; flooding the interior of said covering sleeve member with a cold dry gas to dehydrate said endothermic chemicals and remove any humidification from air within the covering sleeve member; placing said food product container within said covering sleeve member wall such that said food product container bottom wall sits above said covering sleeve member seal and said food product container wall forms a dry gas seal with the covering sleeve member wall and encloses an annular dry gas chamber above the covering sleeve member seal; and allowing the pressure of the dry gas chamber to change from atmospheric pressure as it warms up.
74. The apparatus of claim 73, wherein said dry gas comprises carbon dioxide.
75. The apparatus of claim 73, wherein said dry gas comprises nitrogen.
76. The apparatus of claim 75, wherein said endothermic chemicals comprise one or more of urea, potassium chloride, ammonium nitrate, and nitrate salts.
77. The apparatus of claim 75, wherein said humidification liquid comprises one of water, glycerin, an acid solution, and a low pressure liquified refrigerant.
78. A self-cooling food product container apparatus, comprising: a food product container having a container upper end and a container lower end and having a food product container wall with a food product container wall outward surface; a humidification liquid chamber connected to said food product container; a quantity of humidification liquid within said humidification liquid chamber; a dry gas chamber extending over at least a portion of said food product container wall outward surface and in thermal communication with said food product container wall containing a quantity of endothermic compounds; a barrier structure sealingly separating said humidification liquid chamber from said dry gas chamber; and a humidification liquid release mechanism for opening fluid communication between said humidification liquid chamber and said dry gas chamber at said barrier structure; such that operation of said humidification liquid release mechanism releases humidification liquid into said dry gas chamber, permitting said humidification liquid to evaporate into said dry gas chamber as humidification liquid vapor within said dry gas chamber and thereby transferring heat from said food product container into said humidification liquid vapor, cooling said food product container.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
(1) Various other objects, advantages, and features of the invention will become apparent to those skilled in the art from the following discussion taken in conjunction with the following drawings representing the preferred embodiments of the invention, in which:
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
(26) As required, detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention which may be embodied in various forms. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present invention in virtually any appropriately detailed structure.
(27) Reference is now made to the drawings, wherein like characteristics and features of the present invention shown in the various FIGURES are designated by the same reference numerals.
(28) For orientation purposes and clarity, the food product container 20 is assumed to be standing in a vertical orientation with the food product container 20 standing in a normal placement orientation. This invention uses the thermodynamic potential of the evaporation of a humidification liquid hl, such as water or a suitable liquid and the ability of a substantially low vapor pressure medium such as a dry gas DG to force this evaporation from even cold liquids.
First Embodiment of the Invention
(29) Referring to
(30) A covering sleeve member seal 121 is provided in the form of a thin loop structure made from one of an O-ring seal, a metal band seal, a rubber band seal, a putty seal, and sealing wax seal, and a glue bonding agent. Preferably the covering sleeve member seal 121 is provided in the form a looped rubber band, usually ring shaped, and commonly used to hold multiple objects together such as for holding a stack of papers. Covering sleeve member seal 121 diameter preferably is about 75% of the perimeter that circumscribes the food product container 20. The covering sleeve member seal 121 cross-sectional dimensions preferably are less than 4 mm. The covering sleeve member seal 121 should form a tight sealing band around the food product container 20. The covering sleeve member seal 121 is placed circumferentially and sealingly tight around the food product container side wall 100 in a plane parallel to the diametric plane of the food product container 20 and close to the food product container top wall 107.
(31) A dry gas seal 123 is provided preferably also in the form of an O-ring seal, a rubber band seal, a putty seal, and sealing wax seal, a glue bonding agent and shaped in the form of a thin loop, usually a ring structure. Preferably dry gas seal 123, is made from a seal material such as the type with a rectanguloid cross section, such as a rubber band commonly used to hold multiple objects together. The dry gas seal 123 cross-sectional dimensions preferably is less than 4 mm. The dry gas seal 123 is preferably expandable to form a tight seal around the food product container 20. The dry gas seal 123 is placed in a plane circumferentially slanted at a small angle relative to the diametric plane of the food product container 20. Since a round-sectioned seal will crawl and tend to symmetrize on the diametric plane of the food product container 20, a rectanguloid-sectioned seal is preferred but not necessary. The dry gas seal 123 is slanted at an angle relative to the relative to the diametric plane of the food product container 20 with a maximal distal separation of about 20 mm below covering sleeve member seal 121. The maximal separation between the covering sleeve member seal 121 and the dry gas seal 123 is dictated by the volume of space that can be formed between the two seals when the apparatus is completed as will be determined later. Seal breaking structure 122 is located between dry gas seal 123 and the covering sleeve member seal 121 before the apparatus 10 is used and should be almost tangent to the dry gas seal 123.
(32) A compartment forming sleeve member 102 is provided with a compartment forming sleeve member side wall 105 and compartment forming sleeve member bottom wall 106 and in a first embodiment, the compartment forming sleeve member 102 is preferably made from impermeable materials such as one of heat-shrinkable stretch-formed polyvinyl chloride (PVC), and heat-shrinkable stretch-formed polyethylene terephthalate (PET), injection molded plastics and rubbers. Other materials may be used depending on the way the compartment forming sleeve member 102 is fashioned. Outward facing surface of the compartment forming sleeve member side wall 105 is preferably lined with a flexible wick 140 made from a wicking material such as one of cotton, porous plastic, woven mesh, absorptive paper, and wool. Compartment forming sleeve member side wall 105 may be laminated with wick 140 on the inside surfaces also. Wick 140 must be thin to reduce its impact as a thermal mass on the functioning of the apparatus 10. Compartment forming sleeve member 102 can initially be formed with cylindrical compartment forming sleeve member side wall 105 and then lined with the wick 140 and then molded into a variety of shapes by one of compressive molding and heat-shrinking to form projected protuberances on its surface. Otherwise its shape may be injection molded with the wick 140 placed inside the mold side walls to adhere to the compartment forming sleeve member side wall 105. For example, compartment forming sleeve member side wall 105 is preferably made with inward facing protuberances 103 and outward facing protuberances 104 respectively on its walls to increase its surface area and provide for strength, surface area, and permit a variety of distinct chemical compounds to be stored between any of the spaces between the protuberances, as shown in
(33) The compartment forming sleeve member side wall 105 is circumferentially attached to frictionally touch tangentially contact the food product container side wall 100 to cover at least in part the food product container side wall 100 below dry gas seal 123. Ultrasonic welding, glues and tape may also be used to hold it firmly in place and to at least form distinct compartments with the food product container side wall 100. Preferably, the compartment forming sleeve member side wall 105 extends to cover-in-part an exposed surface of the food product container side wall 100 below the dry gas seal 123, but it is anticipated that compartment forming sleeve member side wall 105 may also cover and surround in whole the food product container side wall 100 below the dry gas seal 123, and that compartment forming sleeve member bottom wall 106 extend to cover and surround the food product container domed bottom wall 22 as a cup-like sleeve structure. Inward facing protuberances 103 and outward facing protuberances 104 should be sturdy and prevent compartment forming sleeve member side wall 105 from collapsing under reduced pressures.
(34) Covering sleeve member 30 is provided. Covering sleeve member 30 is preferably made from one of heat-shrinkable materials stretch-formed polyethylene terephthalate (PET), polyvinyl chloride (PVC), and other heat-shrinkable materials also in the form of a thin-walled cup-like structure that surrounds and encloses in whole or in part the food product container 20. Preferably, covering sleeve member 30 has covering sleeve member side wall 101 shaped to follow the contour of food product container side wall 100. Covering sleeve member side wall 101 can take on a variety of shapes but must permit said covering sleeve member side wall 101 to mate with portions of the food product container side wall 100 during the manufacturing process as will be described in the foregoing. The covering sleeve member side wall 101 covers in whole or in part a sealed food product container 20 containing a food product P. Covering sleeve member side wall 101 is preferably made from one of heat-shrinkable materials stretch-formed polyethylene terephthalate (PET), polyvinyl chloride (PVC), and other heat-shrinkable materials, however, covering sleeve member side wall 101 can also be made with thin aluminum material as a deep-drawn container, and must be re-formable by spin forming and crimping to form seals with the food product container 20. Covering sleeve member side wall 101 preferably covers in-part food product container side wall 100 and may extend to cover in part the food product container top wall 107. The covering sleeve member side wall 101 just slidingly fits over the compartment forming sleeve member 102. Should the covering sleeve member side wall 101 extend and cover the of the food product container top wall 107, then an extension grip 111 made from a simple plastic ring is provided to snap to the food product container top wall seam 114 to permit a user to be able to grip and rotate extension grip 111 and thus rotate the food product container 20 relative to the covering sleeve member 30.
(35) The covering sleeve member side wall 101 covers over compartment forming sleeve member 102 and covers in-whole or in-part the food product container 20. Covering sleeve member side wall 101 preferably covers in-part food product container side wall 100 and may extend to cover in part the food product container top wall 107. Covering sleeve member side wall 101 has a covering sleeve member sealing portion 108 that can be heat-shrunk to shrink in diameter and seal against the food product container side wall 100 to form a covering sleeve member side wall seal 109. As shown in
(36) It is anticipated that covering sleeve member side wall end 110 is located at the covering sleeve member sealing portion 108, but it is contemplated that the covering sleeve member side wall end 110 may extend beyond the covering sleeve member sealing portion 108. When the covering sleeve member sealing portion 108 is heat-shrunk or mechanically formed, covering sleeve member side wall 101 clamps around the surface of covering sleeve member seal 121 and dry gas seal 123 to form humidification liquid chamber W between the two seals respectively. Humidification liquid HL is sealingly stored between the humidification liquid chamber w.
(37) The covering sleeve member 30 is rotatable relative to the food product container side wall 100. Thus, advantageously, dry gas seal 123 and covering sleeve member seal 121 rotate with covering sleeve member 30 in unison, relative to the food product container side wall 100. It is anticipated that covering sleeve member side wall 101 deforms by compressive shrinking around the covering sleeve member seal 121 to securely hold the covering sleeve member seal 121 and provide for the same to sealingly rotate with covering sleeve member 30. It is anticipated that covering sleeve member side wall 101 partially deforms by compressive shrinking around the covering sleeve member seal 121 to securely hold the covering sleeve member seal 121 and provide for the same to sealing rotate with covering sleeve member 30. However, it is anticipated that covering sleeve member seal 121 may not rotate with covering sleeve member 30 but still forms a seal. However, dry gas seal 123 must rotate in unison with covering sleeve member 30 relative to the food product container side wall 100.
(38) Covering sleeve member side wall 101 has a covering sleeve member sealing portion 109 that can be heat shrunk or mechanically formed to shrink and seal against the food product container side wall 100 as stated above. Covering sleeve member side wall 101 when shrunk also seals against the dry gas seal 123, pressing the same against the food product container side wall 100 to form a seal. It is anticipated that covering sleeve member sealing portion 108 deforms partially around the covering sleeve member seal 121 to securely hold the covering sleeve member seal 121 and provide for the same to rotate with covering sleeve member 30. It is anticipated that covering sleeve member side wall 101 also partially deforms around the dry gas seal 123 to securely hold the dry gas seal 123 and provide for the same to sealingly rotate with covering sleeve member 30 when rotated. This provides a first cooling actuation means θ, when covering sleeve member 30 is rotated.
(39) Covering sleeve member side wall 101 has a covering sleeve member restriction portion 128 that can one of be heat-shrunk and be mechanically formed to clamp against a portion of the compartment forming sleeve member 102 to form a restricted vapor passageway 129a for humidification liquid HL vapor Vw and dry gas DG to pass through in a controlled manner. It is anticipated that when the covering sleeve member restriction portion 128 is shrunk, it clamps firmly around the surface of compartment forming sleeve member 102 and closes off any protuberances or projections to form a rotatable restricted vapor passageway 129a. It is anticipated that covering sleeve member side wall 101 slidingly rotates over restricted vapor passageway 129a when rotated.
(40) Covering sleeve member 30 has covering sleeve member bottom wall 130 that sealing connects to covering sleeve member side wall 101. Covering sleeve member bottom wall 130 sealing connects to an inward protruding covering sleeve member shrinkable annular wall 133. Covering sleeve member shrinkable annular wall 133 is flexible and can respond to pressure changes by either collapsing or expanding.
(41) Covering sleeve member inner surfaces define in part the dry gas chamber DGS which extends to cover the compartment forming sleeve member and the space formed by the covering sleeve member bottom wall 130, covering sleeve member shrinkable annular wall 133.
(42) It is anticipated that covering sleeve member 101 may also be made from one of spun aluminum, hydraulically formed aluminum and deep drawn aluminum to provide for all the sealing required. In such a case, covering sleeve member shrinkable annular wall 133 may also be made from one of heat-shrinkable PET and PVC material and added on to the covering sleeve member bottom wall 130 by ultrasonic welding or gluing. Covering sleeve member shrinkable annular wall 133 is flexible and can respond to pressure changes by either collapsing or expanding.
(43) As shown in the figures, a thin-walled open ended support cylinder 132, with support cylinder holes 137 close to its top end may be placed to rest on the covering sleeve member bottom wall 130 between the covering sleeve member side wall 101 and the covering sleeve member shrinkable annular wall 133 and to act as a support member for the covering sleeve member bottom wall 130 against the food product container 20 to prevent shrinking forces from collapsing covering sleeve member bottom wall 130. Covering sleeve member shrinkable annular wall 133 is flexible and can respond to pressure changes by either collapsing or expanding.
(44) Annular plastic heat-shrinking vapor absorber retention space 131 within the dry gas chamber DGS is formed between the space defined by the inner surface of the support cylinder 132, inner surface covering sleeve member shrinkable annular wall 133 and the inner surface covering sleeve member bottom wall 130. Annular plastic heat-shrinking vapor absorber retention space 131 is in fluid communication with the dry gas and is within dry gas chamber DGS. An annular thermal wax retention space 136 is also formed in the dry gas chamber DGS between the outer surface of the support cylinder 132, the inner surface of the covering sleeve member shrinkable annular wall 133 and the inner surface of the covering sleeve member bottom wall 130. Covering sleeve member shrinkable annular wall 133 is flexible and can respond to pressure changes by either collapsing or expanding. Annular thermal wax retention space 136 may be optionally filled with a suitable thermal wax 138 that can melt at temperatures ranging from 70° f to 160° f to regulate the amount of heat exposed to the covering sleeve member shrinkable annular wall 133. Support cylinder 132 prevents the covering sleeve member bottom wall 130 from collapsing and deforming its shape relative to food product container 20.
(45) A cooling actuation means θ is provided when covering sleeve member 30 is rotated with the dry gas seal 123 and dry gas seal 123 crosses over seal breaking structure 122 to break the seal formed by the dry gas seal between the food product container side wall 100 and the covering sleeve member side wall 101 and to expose humidification liquid HL from the humidification liquid chamber W into the dry gas chamber.
(46) The compartment forming sleeve member 102, is preferably designed with inward facing protuberances 103 and outward facing protuberances 104 such as shown in
(47) Annular plastic heat-shrinking vapor absorber retention space 131 holds a plastic heat-shrinking vapor absorber D, such as silica gel, molecular sieves, clay desiccants such as montmorillonite clays, calcium oxide, and calcium sulfide. Annular plastic heat-shrinking vapor absorber retention space 131 is preferably stretch-formed by one of thermoforming, injection-stretch-blowing, and by vacuum forming when covering sleeve member 30 is formed. Covering sleeve member shrinkable annular wall 133 responds to an increase in its temperature by deforming to increase the volume of the dry gas chamber DGS and thus rarefy the dry gas contained therein. This deformation is caused by the plastic heat-shrinking vapor absorber D heating up and thus heating covering sleeve member shrinkable annular wall 133 as it absorbs humidification liquid I-IL vapor from humidified dry gas DG in the dry gas chamber DGS. The dry gas chamber DGS is in fluid communication with the plastic heat-shrinking vapor absorber D and with the restricted vapor passageway 129a and thus, advantageously, the annular plastic heat-shrinking vapor absorber retention space 131 is in fluid communication with the dry gas chamber DGS, and the interior of the compartment forming sleeve member 102. When the cooling actuation means θ is activated, the plastic heat-shrinking vapor absorber D heats up the covering sleeve member shrinkable annular wall 133. The covering sleeve member shrinkable annular wall 133 protrudes and intrudes into the dry gas chamber DGS. The shape of the protuberance is important in enhancing the cooling performance of the apparatus. The shape of the protuberance formed by covering sleeve member shrinkable annular wall 133 can be an inverted cup, a dome, and preferably any suitable shape that minimizes the volume of dry gas chamber DGS. Covering sleeve member shrinkable annular wall 133 is flexible and can respond to pressure changes by either collapsing or expanding.
(48) The shape of covering sleeve member shrinkable annular wall 133 must minimize the dry gas chamber DGS and maximizes its intrusion into the dry gas chamber DGS. In the examples shown in the figures, the shape of the of the protuberance formed by covering sleeve member shrinkable annular wall 133 is an inverted cup-like shape and a dome. Covering sleeve member shrinkable annular wall 133 is flexible and can respond to pressure changes by either collapsing or expanding. When heated, the covering sleeve member shrinkable annular wall 133 shrinks and minimizes its area. The annular plastic heat-shrinking vapor absorber retention space 131 expands and increases in volume outwardly and causes the volume of the dry gas chamber DGS to maximize and generate a substantially lower pressure on dry gas DG that is less than its initial pressure which preferably is just below atmospheric ambient pressure. This lowers the vapor pressure of the dry gas DG and any humidification liquid vapor Vw in the dry gas chamber DGS.
(49) The compartment forming sleeve member 102 is preferably made from an impervious plastic material such as PET and PVC. However, in a fifth embodiment of the invention, said compartment forming sleeve member 102 may be made from a simple corrugated cardboard. If made from a non-plastic material, the protuberances of the compartment forming sleeve member 102 can also be formed by means non-water soluble glues added to a wicking material to form compartment forming sleeve member 102 and then molding the material to the desired shape as the glue dries. It is anticipated that compartment forming sleeve member 102 can be made to have outward facing protuberances 104 that can just hold humidification liquid HL against the food product container side wall 100 when it receives, and also hold chemical compounds S against the food product container side wall 100.
(50) To form the inward facing protuberances 103 and the outward facing protuberances 104, the material used to make compartment forming sleeve member 102 is placed over a mold and formed by one of heat-shrinking, if made from heat-shrinkable material, injection molded, if made from a plastic material, and press formed with glue, if made from a wicking material. Thus, the compartment forming sleeve member 102 can have inward facing protuberances 103 and the outward facing protuberances 104 which when bounded by the food product container side wall 100 can hold not only liquids but also distinct chemical compounds S that can one of, dissolve endothermically and cool by their solvation and react endothermically and reaction released humidification liquid and cool. It is anticipated that if the compartment forming sleeve member 102 can also be formed as a moldable wick material such from a cotton with a dryable insoluble glue added to it.
(51) A cardboard 134 is optionally provided but not necessary, to glued to just cover the covering sleeve member bottom wall 130 to act as an insulator and protect the consumer against possible burns from heat generated by the plastic heat-shrinking vapor absorber D. The cardboard 134 must be breathable, and preferably has a small cardboard hole 135 to permit the free flow of gases to and from atmosphere as the annular plastic heat-shrinking vapor absorber retention space wall 133 flattens.
(52) In all the embodiments, it is anticipated that the walls and the interior of the material of compartment forming sleeve member 102 may be infused with ionizable chemical compounds S that have reversible endothermic reactions with humidification liquid HL. This can be done by layering the walls of compartment forming sleeve member 102 with ionizable salts such as potassium chloride, ammonium chloride, and ammonium nitrates and other types of endothermic salts with endothermic ionization potential. If made from heat-shrinkable plastic material such as PET and PVC, the compartment forming sleeve member 102 can be heat-shrunk to form its final shape by hot-spraying it at high impact pressure with a stream of particulates of ionizable chemical compounds S to thermally shrink it and form its shape on a mold and coating it at the same time with the ionizable chemical compounds S. In all cases, the compartment forming sleeve member 102 has a wick on its outward surface that must form, as will be described later, a restricted vapor passageway 129a that only permits humidification liquid vapor Vw to pass through to the plastic heat-shrinking vapor absorber D in the dry gas chamber DGS. This is easily achieved in the case of a plastic film material forming the compartment forming sleeve member 102 by banding a wicking material over the compartment forming sleeve member restriction portion 128.
(53) Other methods of inserting ionizable soluble chemical compounds S such as endothermic salts unto and into the material of compartment forming sleeve member 102 include using a polyvinyl acetate (PVA) layer on the outside wall of the compartment forming sleeve member 102 and then attaching the ionizable chemical compounds S to the PVA layer. Other laminating materials such as humidification liquid hl-soluble glues may be used for this purpose.
(54) A dry gas DG is provided inside the dry gas chamber DGS at preferably just under ambient atmospheric pressure. The dry gas GS is provided by a dry gas source DGS and it fills the spaces between the plastic heat-shrinking vapor absorber D and the compartment forming sleeve member 102 in dry gas chamber e.
Method of Manufacture of First Embodiment
(55) A manufacturing method M of the apparatus 10 is described herein as shown in
(56) A dry gas seal 123 is provided as a rectanguloid seal like a rubber band and is expanded and placed in a plane circumferentially slanted at a small angular slant relative to the diametric plane of the food product container side wall 100 to have a maximal separation of about 50 mm and a minimal separation of about 20 mm below covering sleeve member seal 121. Preferably, a plastic self-adhesive label forming the seal breaking structure 122 is provided and attached to the food product container side wall 100 to lay inside and between the maximal separation gap between dry gas seal 123 and the covering sleeve member seal 121.
(57) A compartment forming sleeve member 102 is provided, and attached circumferentially to cover at least in part the food product container side wall 100 below dry gas seal 123 using with one of friction, a glue and double sided adhesive tape.
(58) Covering sleeve member 30 is provided as cup-like structure with straight covering sleeve member side wall 101 as shown in
(59) Support cylinder 132 is placed to sit on covering sleeve member bottom wall 130 with support cylinder holes 137 close to the food product container 20 to form the annular plastic heat-shrinking vapor absorber retention space 131 and the annular thermal wax retention space 136. Thermal wax 138 is placed to fill the annular thermal wax retention space 136 and plastic heat-shrinking vapor absorber D is filled into the annular plastic heat-shrinking vapor absorber retention space 131.
(60) Food product container 20 with the compartment forming sleeve member 102, seal breaking structure 122, the covering sleeve member seal 121 and the dry gas seal 123, is inserted to sit on support cylinder 132 inside the covering sleeve member 30.
(61) A cylindrical rod CR is provided with a through hole TH through its length and with a three-way fitting TFW attached to the through hole TH. The first input of the three-way fitting TFW is connected by a dry gas hose DGH to fluidly communication with dry gas pressure canister DGC via a dry gas valve DGV. The second input of the three-way fitting TFW is connected by a vacuum pump hose VPH to a vacuum pump VP via a vacuum valve Vv. The third input of the three-way fitting TFW is co a humidification liquid valve HLV which is connected by a humidification liquid hose HLH to a humidification liquid valve HILT.
(62) The cylindrical rod CR outer diameter is made to fit exactly inside the covering sleeve member 30 and it is inserted about 20 mm into the open end of covering sleeve member 30 and covering sleeve member 30 is heat shrunk to seal around it. The humidification liquid valve HLV, the dry gas valve DGV and the vacuum valve Vv are shut off.
(63) The dry gas valve DGV at a low pressure of about 1 psig and the vacuum valve Vv are first opened to permit dry gas GS to flood the interior of the covering sleeve member 30 to purge any wet air and gases within the covering sleeve member 30 using the vacuum pump VP. After a few seconds of purging, the dry gas valve DGV is turned off to permit the vacuum pump VP to lightly rarify the dry gas DG remaining in the covering sleeve member 30 to a pressure just below ambient atmospheric pressure. A cut off valve to control the pressure may be provided, but the vacuum pump VP itself can be made to provide the rarefication required.
(64) Hot air HA from a heat source HG such as a heat gun is first directed at the location of the covering sleeve member sealing portion 108 to shrink and clamp around the surface of dry gas seal 123 against the food product container side wall 100, after which the hot air HA is removed. This seals in dry gas GS at a rarefied pressure in the dry gas chamber DGS below the dry gas seal 123.
(65) Then, the dry gas valve DGV and the vacuum valve Vv are shut off and the humidification liquid valve HLV is opened to permit humidification liquid HL to fill the annular space above the dry gas seal 123 between the food product container side wall 100 and the covering sleeve member side wall 101 up to a level just below the covering sleeve member seal 121 and then it is shut off.
(66) Hot air HA from the heat source HG is now directed on the location of the covering sleeve member sealing portion 108 to shrink and clamp the covering seal 121 against the food product container side wall 100 after which the hot air HA is removed. This seals in the humidification liquid HL and forms the humidification liquid chamber W between the dry gas seal 123, the covering seal 121, food product container side wall 100 and the covering sleeve member side wall 101.
(67) Then, the extra material of the covering sleeve member 30 above the food product container top wall seam 114 that is still attached to the cylindrical rod CR is cut off to create the covering sleeve member side wall end 110. Extension grip 111 is snapped to the food product container top wall seam 114 to act as an extension of the food product container 20. The apparatus 10 is now ready for use.
Method of Operation of the Apparatus According to the First Embodiment
(68) It is anticipated that the cooling actuation means θ is activated before the food product release means 113 is used. However, should the food product release means 113 be actuated before the cooling actuation means θ, then it is anticipated that the pressure drop of the food product container 20 will cause a relaxation of the food product container side wall 100 and slacken the dry gas seal 123 relative to the food product container side wall 100 and thus the apparatus 10 can be still activated as shown in
(69) The heat of evaporation H is taken away by the dry gas DG as it becomes wet and lowers its dew point temperature. Note that the dry gas DG temperature does not increase by this process since its dew point temperature takes the heat of evaporation h of the humidification liquid HL away. The higher dew point temperature dry gas DG saturates the dry gas chamber DGS, and enters the restricted vapor passageway 129a. Dry gas DG is an electromotive transport means. The removal of polar water molecules in vapor form into dry gas DG is due to an electromotive heat transport potential. Dry gas DG changes the reactivity of the restricted vapor passageway 129a, (Respir. Physiol. 1997 July; 109 (1):65-72). Negative ions in a dry gas DG attract polar molecules of the humidification liquid HL in the restricted vapor passageway 129a. This is why when air is dry, one gets a greater propensity for electrostatic effects.
(70) The plastic heat-shrinking vapor absorber D may be one of, a liquid, gel, and a solid that absorbs humidification liquid HL vapor Vw. Humidification liquid HL may also be a pressurized liquid in equilibrium with its vapor such as an ammonium solution, a dimethylether solution, and a carbonated solution. In such a case, table 1 provides for the various combinations of the plastic heat-shrinking vapor absorber D, the dry gas GS, and the humidification liquid HL that may be used with the invention.
(71) As dry gas GS wetted by humidification liquid vapor Vw enters through the restricted vapor passageway 129a and then through the support cylinder holes 137 to be absorbed into the plastic heat-shrinking vapor absorber D to dehumidify, its vapor pressure lowers and the dew point temperature of the dehumidified dry gas GS falls far below the dew point temperature of the humidified dry gas DG in the dry gas chamber DGS. Dehumidified dry gas DG in the dry gas chamber DGS is again pulled in by the higher vapor pressure of the dry gas chamber DGS and to again absorb more vapor and transport it to the plastic heat-shrinking vapor absorber D. Plastic heat-shrinking vapor absorber D heats up as it sorbs the humidification liquid vapor Vw and the annular plastic heat-shrinking vapor absorber retention space wall 133 which is tensioned by being pre-stretch-formed, responds to the increase in its temperature by deforming and shrinking in area. When heated, the annular plastic heat-shrinking vapor absorber retention space wall 133 shrinks in surface area and moves outwardly from the food product container domed bottom 22 causing the volume of the dry gas chamber DGS to increase and thus generate a substantial lower vapor pressure in the fixed amount of rarified dry gas DG in the dry gas chamber DGS. This lowers the vapor pressure of the dry gas DG in the dry gas chamber DGS even more and any humidification liquid vapor Vw in the dry gas chamber DGS is pulled into the dry gas DG to evaporate. This deformation of the annular plastic heat-shrinking vapor absorber retention space wall 133 continues with the continued generation of more heat of evaporation h, causing the annular plastic heat-shrinking vapor absorber retention space wall 133 to preferably flatten and thus increase the volume of the dry gas chamber DGS relative to its original volume.
(72) In order to prevent the covering sleeve member bottom wall 130 from collapsing and deforming its shape, support cylinder 132 takes up the compressive forces of the annular plastic heat-shrinking vapor absorber retention space wall 133 against the food product container bottom edge 21 and prevents the covering sleeve member bottom wall 130 from deforming. Thus, the flattening of the annular plastic heat-shrinking vapor absorber retention space wall 133 will not affect the structure of the covering sleeve member bottom wall 130. The deformation and flattening of the annular plastic heat-shrinking vapor absorber retention space wall 133 causes the dry gas chamber DGS to increase in volume, and since there is a fixed amount of dry gas DG in the dry gas chamber DGS, a lower pressure is created inside the dry gas chamber DGS. The annular plastic heat-shrinking vapor absorber retention space 131 is also made larger by the flattening of the annular plastic heat-shrinking vapor absorber retention space wall 133. This causes the plastic heat-shrinking vapor absorber D to continuously shift, move, fall and spread over the flattened annular plastic heat-shrinking vapor absorber retention space wall 133. This spreading agitates the plastic heat-shrinking vapor absorber D and makes it more effective as it assumes a greater surface area. Further, preferably the dry gas DG is preferably at atmospheric pressure when it is stored between the dry gas chamber DGS. The negative pressure generated on the dry gas DG causes even more absorption of humidification liquid vapor Vw into the dry gas DG by evaporation of humidification liquid HL. The approximately 1840-fold expansion of humidification liquid HL into humidification liquid vapor Vw in the dry gas chamber DGS due to the gasification of humidification liquid HL increases the relative vapor pressure of the dry gas chamber DGS in relation to the annular plastic heat-shrinking vapor absorber retention space 131. Thus, advantageously, the humidification liquid vapor Vw in the dry gas chamber DGS naturally wants to enter into the plastic heat-shrinking vapor absorber D. Thus, dry gas DG is an electromotive heat transport means for humidification liquid vapor Vw into the plastic heat-shrinking vapor absorber D without the need for a true vacuum.
(73) As dry gas DG delivers the humidification liquid vapor Vw into the plastic heat-shrinking vapor absorber D, its actual temperature increases due to the heat generated by the plastic heat-shrinking vapor absorber D. The heat from the plastic heat-shrinking vapor absorber D is partially absorbed by the dry gas DG and its dew point temperature lowers even more. This causes dry gas DG to migrate again into the plastic heat-shrinking vapor absorber D and collect more humidification liquid vapor Vw from dry gas chamber DGS. The cooling continues in this fashion dehydrating the ionizable compounds on the dry gas chamber DGS. The ionizable compounds are not absolutely necessary for the invention to work, however they improve the cooling efficiency since dry gas DG will absorb humidification liquid vapor Vw from even cold humidification liquid HL. The ultimate source of heat of evaporation h is the food product P, which cools by this method. “salting” the dry gas chamber DGS by drying out the chemical compounds S back to their original form (if used), makes them reusable for further cooling. Drying out the dry gas DG by the plastic heat-shrinking vapor absorber D makes it also reusable again for further cooling.
(74) Further, the deformation motion of the annular plastic heat-shrinking vapor absorber retention space walls 133 causes the plastic heat-shrinking vapor absorber D to move and spread out to permit unexposed plastic heat-shrinking vapor absorber D to take action and effectuate the sorbing of humidification liquid vapor Vw into the plastic heat-shrinking vapor absorber D. It is anticipated that a heat-absorbing thermal wax 138 such as ordinary candle wax may be placed in the annular thermal wax retention space 136 between support cylinder 132 and the covering sleeve member side wall 101 to absorb heat of evaporation h from the plastic heat-shrinking vapor absorber D and store the heat of evaporation h. However, this has been found to be effective only if a large amount of plastic heat-shrinking vapor absorber D, is used for a large food product container 20 in excess of 20 oz in volume.
(75) Further the covering sleeve member 30 can be made from shrinkable material such as TPX™ formed from a combination of plastic materials called Polymethylpentene and glass beads, the resulting covering sleeve member 30 will be capable of quickly releasing absorbed heat of evaporation h through its structure and radiate the heat of evaporation h quickly to atmosphere. Further, the deformation motion of the annular plastic heat-shrinking vapor absorber retention space walls 133 causes the atmospheric air in it to absorb heat from the plastic heat-shrinking vapor absorber D and remove this heat through the cardboard hole 137 if used, or directly to the atmosphere as the heated air volume beneath the flattening annular plastic heat-shrinking vapor absorber retention space walls 133 is expelled.
(76) Cardboard 134 is provided but not necessary. Preferably, but not necessarily, cardboard 134 is made to fit and cover the covering sleeve member bottom wall 130 and is glued to covering sleeve member bottom wall 130 protect the consumer against possible burns. Cardboard 134 has a small central cardboard hole 135 to permit the free flow of gases to atmosphere due to the flattening of the annular plastic heat-shrinking vapor absorber retention space wall 133.
(77) In all embodiments, it is anticipated that the walls and the material used to form compartment forming sleeve member 102 may be layered with ionizable dissolving chemical compounds DCC, that have reversible endothermic reactions with humidification liquid HL.
(78) A dry gas DG is provided inside the dry gas chamber DGS at preferably just under ambient atmospheric pressure. The dry gas GS is provided by a dry gas source DGS and it fills dry gas chamber DGS and the empty spaces between the plastic heat-shrinking vapor absorber D and the compartment forming sleeve member 102.
Second Embodiment of the Invention
(79) Referring to
(80) As shown in
(81) As before, a compartment forming sleeve member 102 is provided as described in the first embodiment, with a compartment forming sleeve member side wall 105 and compartment forming sleeve member bottom wall 106 and as in the first embodiment, the compartment forming sleeve member 102 is preferably made from thin impermeable one of heat-shrinkable stretch-formed polyvinyl chloride (PVC), and heat-shrinkable stretch-formed polyethylene terephthalate (PET). Other materials may be used depending on the way the compartment forming sleeve member 102 is fashioned.
(82) As before, the compartment forming sleeve member 102 can initially be formed with cylindrical compartment forming sleeve member side wall 105 and then molded into a variety of shapes by one of compressive molding and heat-shrinking to form projected protuberances on its surface. Otherwise its shape may be injection molded or compression formed.
(83) As before, compartment forming sleeve member side wall 105 is preferably made with inward facing protuberances 103 and outward facing protuberances 104 respectively on its walls to increase its surface area and provide for strength, surface area, and permit a variety of distinct reacting chemical compounds RCC, to be stored between independent protuberances, as shown in
(84) The compartment forming sleeve member side wall 105 is circumferentially attached to frictionally tangentially contact the food product container side wall 100 to cover at least in part the food product container side wall 100 below the covering sleeve member seal 121. Grease, soft pliable glues and waxes may also be used to hold it firmly in place and to at least form distinct compartments with the food product container side wall 100. Preferably, the compartment forming sleeve member side wall 105 extends to cover-in-part as much of the exposed surface of the food product container side wall 100 below the covering sleeve member seal 121 as possible.
(85) As before, a dry gas seal 123 is provided preferably also in the form of an O-ring seal, a metal band seal, a rubber band seal, a putty seal, and sealing wax seal, a glue bonding agent and shaped in the form of a thin loop, usually a ring structure. The dry gas seal 123 is placed circumferentially and sealingly tight around the compartment forming sleeve member side wall 105 in a plane parallel to the diametric plane of the food product container 20 and close to the compartment forming sleeve member side wall lower edge 24. A maximal distal separation between the covering sleeve member seal 121 and the dry gas seal 123 is optimum for this version of the invention to work. Dry gas seal 123 when placed around the compartment forming sleeve member side wall lower edge 24 should have an outer diameter slightly greater than the outside diameter of the outward facing protuberances 104 of the compartment forming sleeve member 102. This permits a proper seal to be formed by the dry gas seal 123 with the covering sleeve member 30.
(86) As before, it is anticipated that compartment forming sleeve member side wall 105 may also cover and surround in whole the food product container side wall 100 below the dry gas seal 123, and that compartment forming sleeve member bottom wall 106 extend to cover and surround the food product container domed bottom wall 22 as a cup-like sleeve structure.
(87) As before, the inward facing protuberances 103 of the compartment forming sleeve member 102 are held tangentially tight against the food product container side wall 100 preferably by friction. And again, the outward facing protuberances 104 and the food product container side wall 100 form a collection of distinct compartments with the food product container side wall 100. The inward facing protuberances 103 and the covering sleeve member side wall 101 also form a collection of distinct compartments above the dry gas seal 123. The distinct compartments formed by outward facing protuberances 104 and the food product container side wall 100 and are filled with reacting chemical compounds RCC selected from pairs of hydrated chemical compounds S that react endothermically to generate the humidification liquid HL that will be used by the apparatus 10. Each such one of the pair of reacting chemical compounds RCC selected is placed in a neighboring distinct compartment formed by the outward facing protuberances 104 and the food product container side wall 100.
(88) Covering sleeve member 30 is provided. Covering sleeve member 30 is made from one of stretch-formed polyethylene terephthalate (PET), polyvinyl chloride (terephthalate or PVC), and other materials such as deep drawn aluminum, in the form of a thin-walled cup-like sleeve that surrounds and encloses in whole or in part the food product container 20. Preferably, covering sleeve member 30 has a covering sleeve member side wall 101 that can just slidingly fit over compartment forming sleeve member side wall 105, and has a shape that follows the contour of food product container side wall 100. Covering sleeve member side wall 101 can take on a variety of shapes but must permit said covering sleeve member side wall 101 to mate sealingly with portions of the food product container side wall 100 to hold and form seals with the dry gas seal 123 and the covering sleeve member seal 121 when so formed as will be described in the foregoing.
(89) The covering sleeve member side wall 101 covers in whole or in part a sealed food product container 20 containing a food product P with the compartment forming sleeve member 102 attached. Covering sleeve member side wall 101 preferably covers in-part food product container side wall 100 and may extend to cover in part the food product container top wall 107. Covering sleeve member side wall 101 can be made with many types of materials but preferably heat-shrinkable plastics such as PET and PVC are preferred. Covering sleeve member side wall 101 can also be made with aluminum as a deep drawn container, and must be re-formable by spin forming and crimping to form seals with the food product container 20.
(90) As before, covering sleeve member 30 has covering sleeve member bottom wall 130 that sealing connects to covering sleeve member side wall 101. Covering sleeve member bottom wall 130 sealing connects to an inward protruding covering sleeve member shrinkable annular wall 133. Covering sleeve member shrinkable annular wall 133 is flexible and can respond to pressure changes by either collapsing or expanding.
(91) As stated earlier, it is anticipated that covering sleeve member 101 may be made from spun or deep drawn aluminum and formed to provide for all the sealing required by spin forming and rolling it in parts. In such a case, covering sleeve member shrinkable annular wall 133 may be made from heat-shrinkable PET or PVC material and added on to the covering sleeve member bottom wall 130 by ultrasonic welding or gluing. If needed, a thin-walled open ended support cylinder 132, with support cylinder holes 137 close to its top end is placed to rest at the opposite open end on the covering sleeve member bottom wall 130 between the covering sleeve member side wall 101 and the covering sleeve member shrinkable annular wall 133 and to contact the food product container 20. If the covering sleeve member side wall 101 is made strong enough, support cylinder 132 is not necessary.
(92) Also as described earlier, annular plastic heat-shrinking vapor absorber retention space 131 within the covering sleeve member 30 is formed between the space defined by the inner surface of the support cylinder 132, inner surface covering sleeve member shrinkable annular wall 133 and the inner surface covering sleeve member bottom wall 130. Annular plastic heat-shrinking vapor absorber retention space 131 is filled with a plastic heat-shrinking vapor absorber D up to the height of the covering sleeve member shrinkable annular wall 133.
(93) An annular thermal wax retention space 136 is also formed in the covering sleeve member 30 between the outer surface of the support cylinder 132, the inner surface of the covering sleeve member side wall 102 and the inner surface of the covering sleeve member bottom wall 130. Annular thermal wax retention space 136 may be optionally filled up to the height of the support cylinder 132, with a suitable thermal wax 138 that can melt at temperatures ranging from 70° F. to 160° F. Support cylinder 132 prevents the covering sleeve member bottom wall 130 from collapsing and deforming its shape relative to food product container 20.
(94) When covering sleeve member is placed over the food product container 20 and the attached compartment forming sleeve member 102, the compartment forming sleeve member bottom wall 106 rests on the support cylinder 137 and the outward facing protuberances 104 on the compartment forming sleeve member side wall 105 tangentially touch the covering sleeve member side wall 101 to form distinct compartments 105b between the said walls. The covering sleeve member side wall 101 covers over the attached compartment forming sleeve member 102 and covers in-whole or in-part the food product container side wall 100. Inward facing protuberances 103 and the covering sleeve member side wall 101 form a collection of distinct compartments 105b above the dry gas seal 123 as shown in
(95) As before, the covering sleeve member side wall 101 just fits over the compartment forming sleeve member 102 and should just tangentially touch the dry gas seal 123 tangentially. As before, the covering sleeve member side wall 101 has a covering sleeve member sealing potion 118 that is then shrunk in diameter to form a seal between the compartment forming sleeve member side wall 105 and the covering sleeve member side wall 101. This seal is used to seal a dry gas GS rarefied to just below atmospheric pressure and thus form a dry gas chamber DGS below the dry gas seal 123 that contains the support cylinder 132, the annular thermal wax retention space 136 with a thermal wax 138 therein, the annular plastic heat-shrinking vapor absorber retention space 131 with the plastic heat-shrinking vapor absorber D contained therein.
(96) Preferably, more reacting chemicals compounds RCC are then placed in the distinct compartments 105b thus formed by the inward facing protuberances 103 and the covering sleeve member side wall 101. These distinct compartments 105b are adjacent to reacting chemicals compounds RCC that have been placed in the distinct compartments 105b formed before by the outward facing protuberances 104 and the food product container side wall 100. Of course one could use the inward facing protuberances 103 and outward facing protuberances 104 to respectively store separate and different species of reacting chemical compounds RCC selected as pairs. Thus more than one species of pairs of reacting chemical compounds RCC can be used with the apparatus 10. Preferably the variety of distinct reacting chemical compounds RCC that can react with each other endothermically are species chosen from pairs such as BA(OH).sub.2.8H.sub.2O(s) and NH.sub.4SCN(s), and NH.sub.4NO.sub.3(s), and NH.sub.4CL(s). These reacting chemical compounds RCC have humidification liquid HL stored between their hydrated structure.
(97) A humidification liquid chamber w, is thus formed above the dry gas seal 123 with inward facing protuberances 103 and outward facing protuberances 104 containing the reacting chemical compounds RCC that have water as humidification liquid HL in them. To avoid premature reactions, the reacting chemical compounds RCC pairs that can react with one another are placed in distinct outward facing protuberances 104 separated by inward facing protuberances 103 respectively. The same is true for the reacting chemical compounds placed in distinct inward facing protuberances 103 separated by outward facing protuberances 104 respectively.
(98) Dry gas GS rarefied to just below atmospheric pressure is provided to fill and purge covering sleeve member 30 further. Covering sleeve member side wall 101 has a covering sleeve member sealing portion 108 that can be shrunk in diameter to seal over covering seal 121 and form seal form a covering sleeve member side wall seal 109. Covering sleeve member sealing portion 108 when shrunk in diameter forms a seal with the covering seal 121 between the food product container top wall seam 114 and the covering sleeve member 30 to seal off the humidification liquid chamber W from atmosphere.
(99) As before, it is anticipated that covering sleeve member side wall end 110 is located at the covering sleeve member sealing portion 108, but it is contemplated that the covering sleeve member side wall end 110 may extend beyond the covering sleeve member sealing portion 108.
(100) Covering sleeve member sealing portion 108 can be either be heated and heat shrunk if made from heat-shrinkable material or roll formed roll formed with a rolling former machine to shrink in diameter and seal against the covering seal 121 against the food product container top wall seam 114 and hold the rarefied dry gas GS therein.
(101)
Method of Manufacture of Second Embodiment
(102) A standard food product container 20 is provided.
(103) As before, a dry gas seal 123 is provided and first placed circumferentially and sealingly around the food product container side wall 100 in a plane parallel to the diametric plane of the food product container 20 and to band and seal around the compartment forming sleeve member side wall bottom edge 24.
(104) As described earlier, the compartment forming sleeve member 102 is provided preferably as a cylindrical structure with inward facing protuberances 103 and outward facing protuberances 104. Inward facing protuberances 103 should have a diameter that is just a slide fit over food product container side wall 100. Thus compartment forming sleeve member 102 is slid over the food product container side wall 100 to sit on dry gas seal 123 and attached circumferentially to cover at least in part the food product container side wall 100 above the dry gas seal 123.
(105) The desired species of reacting chemicals compounds RCC are then filled into the respective outward facing protuberances 104 that form respective chambers.
(106) As before, a covering sleeve member seal 121 is provided and placed circumferentially and tightly around the food product container side wall 100 in a plane parallel to the diametric plane of the food product container 20 and to band around the food product container top wall seam 114.
(107) As before, covering sleeve member 30 is provided. Covering sleeve member side wall 101 should be of a length greater than the food product container 20 and in fact it is preferable that it extends beyond the food product container top wall 107 by at least 50 mm for manufacturing purposes.
(108) To avoid repletion, as before support cylinder 132 (not shown as an example of not being absolutely necessary) may be placed to sit on covering sleeve member bottom wall 130 with support cylinder holes 137 close to the food product container 20 to form the annular plastic heat-shrinking vapor absorber retention space 131 and the annular thermal wax retention space 136. Thermal wax 138 (not shown as an example of not being absolutely necessary) is placed to fill the annular thermal wax retention space 136. Plastic heat-shrinking vapor absorber D is filled into the annular plastic heat-shrinking vapor absorber retention space 131.
(109) The subassembly of the food product container 20, the compartment forming sleeve member 102, the covering sleeve member seal 121 and the dry gas seal 123 just sit frictionally against the covering sleeve member side wall 101 with compartment forming sleeve member bottom wall 106 spaced above plastic heat-shrinking vapor absorber D. The desired species of reacting chemicals compounds RCC are then filled into the respective inward facing protuberances 103 that form respective chambers with the covering sleeve member side wall 101.
(110) Cylindrical rod CR is provided as before. The humidification liquid valve HLV, the dry gas valve DGV and the vacuum valve Vv are shut off.
(111) The dry gas valve DGV at a low pressure of about 1 psig and the vacuum valve Vv are first opened to permit dry gas GS to flood the interior of the covering sleeve member 30 to purge any wet air and gases within the covering sleeve member 30 using the vacuum pump VP. After a few seconds of purging, the dry gas valve DGV is turned off to permit the vacuum pump VP to lightly rarify the dry gas DG remaining in the covering sleeve member 30 to a pressure just below ambient atmospheric pressure. Hot air HA from heat source HG is first directed at the location of the covering sleeve member side wall 118 with covering sleeve member sealing potion 119 to heat-shrink it in diameter to form a seal between the covering sleeve member side wall 100 against the dry gas seal 123 and causes the dry gas seal 123 to seal against the compartment forming sleeve member side wall 105, after which the hot air HA is removed. This traps dry gas GS in a rarefied state in the plastic heat-shrinking vapor absorber D below the dry gas seal 123.
(112) As before, if made from a heat-shrinkable plastic, hot air HA is then directed at the location of the covering sleeve member sealing portion 108 of the covering sleeve member side wall 101 to shrink and clamp the covering sleeve member sealing portion 108 around the surface of covering sleeve member seal 121 to clamp the same against the food product container top wall seam 114 and form a seal, after which the hot air HA is removed. This seals the humidification liquid chamber W with rarefied dry gas GS.
(113) If made from a deep drawn and spun aluminum, forming rollers from a rolling forming machine RFM is directed at the location of the food product covering sleeve member sealing portion 108 of the covering sleeve member side wall 101 to shrink and clamp the covering sleeve member sealing portion 108 around the surface of covering sleeve member seal 121 to form the seal against the food product container top wall seam 114.
(114) Thus dry gas GS at a rarefied pressure is now sealed inside the humidification liquid chamber w, and inside the dry gas chamber DGS and also permeates the plastic heat-shrinking vapor absorber D. Then, the dry gas valve DGV and the vacuum valve Vv are shut off. As before, the extra material of the covering sleeve member 30 that is still attached to the cylindrical rod CR is cut off to create the covering sleeve member side wall end 110. The apparatus 10 is now ready for use.
Method of Operation of the Apparatus According to the Second Embodiment
(115) Cooling actuation means 40 is activated by using finger pressure f to deform the dry gas seal 123 causing fluid communication between the humidification liquid chamber W and the dry gas chamber DGS. It is anticipated that cooling actuation means 40 is activated before the food product release means 113 is used. However, should the food product release means 113 be actuated before the cooling actuation means, then it is anticipated that the pressure drop of the food product container 20 will cause a relaxation of the food product container side wall 100 and slacken the grip of the dry gas seal 123 relative to the compartment forming sleeve member side wall 105 and thus will cause fluid communication between the humidification liquid chamber W the dry gas chamber DGS and the plastic heat-shrinking vapor absorber D.
(116) The covering sleeve member side wall 101 can then be massaged by hand relative to the compartment forming sleeve member side wall 105 to cause the reacting chemical compounds RCC in the humidification liquid chamber W to react with each other to endothermically cool and at the same time reaction released humidification liquid HL. The massaging deforms the inward facing protuberances and the outward facing protuberances 104 of the compartment forming sleeve member 102 to permit the reacting chemical compounds RCC to mix and react with each other to provide a first cooling means of the apparatus 10 by endothermic reaction cooling and at the same time provides a means to reaction released humidification liquid HL for a second cooling means.
(117) The rarefication of the dry gas GS will force humidification liquid HL thus generated by reactions to evaporate as humidification liquid vapor Vw into the dry gas dg. The dry gas DG absorbs humidification liquid vapor Vw and this lowers the dew point temperature of the dry gas DG and it becomes wet gas in a third cooling means of the apparatus 10. Additional heat of evaporation, h, is taken away from the humidification liquid HL by the dry gas DG as it becomes wet and lowers its dew point temperature. The higher dew point temperature dry gas DG saturates the dry gas chamber DGS and is absorbed by the plastic heat-shrinking vapor absorber D in the annular plastic heat-shrinking vapor absorber retention space 131. Plastic heat-shrinking vapor absorber D heats up as it sorbs the humidification liquid vapor Vw and the annular plastic heat-shrinking vapor absorber retention space wall 133 which is tensioned by being stretch-formed, responds to the increase in its temperature by deforming and shrinking its area.
(118) As before, when heated, the annular plastic heat-shrinking vapor absorber retention space wall 133 shrinks its surface area and moves outwardly away from the food product container domed bottom wall 22 causing the volume of the dry gas chamber DGS and the humidification liquid chamber W to increase and thus generating a substantial lower vapor pressure in the fixed amount of rarified dry gas DG in the dry gas chamber DGS. This lowers the vapor pressure of the dry gas DG in the dry gas chamber DGS. The pressure in the dry gas chamber DGS is now lower and it will absorb more humidification liquid vapor Vw to continue the cooling process.
(119) Further, the deformation motion of the annular plastic heat-shrinking vapor absorber retention space walls 133 causes the plastic heat-shrinking vapor absorber D to move and spread out to permit unexposed plastic heat-shrinking vapor absorber D to take action and effectuate the sorbing of humidification liquid vapor Vw into the plastic heat-shrinking vapor absorber D and a second cooling means is provided by the evaporation of the humidification liquid HL generated by the reactions.
Third Embodiment of the Invention
(120) Referring to
(121) As before, covering sleeve member seal 121 is provided as described in the first embodiment of the invention, in the form of a thin loop structure made from one of an O-ring seal, a metal ring seal, a rubber band seal, a putty seal, and sealing wax seal, and a glue bonding agent. The covering sleeve member seal 121 should be expandable to form a tight sealing band around the food product container 20. The loop diameter of covering sleeve member seal 121 is placed circumferentially and sealingly tight around the food product container top wall seam 114 in a plane parallel to the diametric plane of the food product container 20.
(122) As before, a dry gas seal 123 is provided as described in the first embodiment of the invention preferably also in the form of an O-ring seal, metal band seal, a rubber band seal, a putty seal, and sealing wax seal, a glue bonding agent and shaped in the form of a thin loop, usually a ring structure. The dry gas seal 123 is placed circumferentially and sealingly tight around the food product container side wall 100 in a plane parallel to the diametric plane of the food product container 20 and spaced about 20 mm from the covering sleeve member seal 121.
(123) As before, compartment forming sleeve member 102 in the shape of a thin cup is provided with the compartment forming sleeve member side wall 105 and the compartment forming sleeve member bottom wall 106. Compartment forming sleeve member 102 is a thin-walled cup-like structure with compartment forming sleeve member side wall 105 and compartment forming sleeve member bottom wall 106 that surrounds in part the food product container side wall 100 forming an annular gap with the food product container side wall 100.
(124) As before, the compartment forming sleeve member 102 is preferably formed from either injection-molded plastic material such as PET and PVC. The compartment forming sleeve member 102 can also be formed as a thin deep drawn aluminum cup. The compartment forming sleeve member 102 can also be injection molded, however it is anticipated that compartment forming sleeve member 102 is made from heat-shrinkable plastic material such as PET and PVC. As such the compartment forming sleeve member 102 should be tall enough to surround the food product container bottom domed wall 22 and for the compartment forming sleeve member side wall 105 to cover most of the food product container side wall 100 with the compartment forming sleeve member top edge 105a just above the dry gas seal 123. The compartment forming sleeve member side wall 105 is shrunk in diameter to and clamp over the dry gas seal 123 to form a fluid seal between the food product container side wall 100. The inward surface of the compartment forming sleeve member side wall 105, the dry gas seal 123, outward surface of the food product container side wall 100, the outward surface of the food product domed bottom wall 22 and the inward surface of the compartment forming sleeve member bottom wall 106 form a humidification liquid chamber W filled with humidification liquid HL to surround the food product container side wall 100 in part and the food product domed bottom wall 22. Humidification liquid fills the humidification liquid chamber W up to just below dry gas seal 123. Thus, when compartment forming sleeve member 102 is either heat shrunk or crimped to seal over the dry gas seal 123, dry gas seal 123 forms a seal between the compartment forming sleeve member side wall 105 and the food product container side wall 100 in part to form the sealed humidification liquid chamber W which contains humidification liquid HL. The humidification liquid HL thus surrounds the food product container bottom domed wall 22 and the food product container side wall 100 in part.
(125) As before a wick 140 is optionally provided but not necessary. Wick 140 is bonded to the outward facing wall of compartment forming sleeve member side wall 105 as described earlier.
(126) As before, the covering sleeve member side wall 101 has a covering sleeve member sealing potion 118 that can be shrunk in diameter to form a restricted vapor passageway 119a on the wick 140 against the compartment forming sleeve member side wall 105. The compression of covering sleeve member sealing potion 118 also causes the dry gas seal 123 to seal between the compartment forming sleeve member side wall 105 and the food product container side wall 100.
(127) As before, when the covering sleeve member sealing portion 108 is shrunk in diameter it forms a covering sleeve member seal 109 with the covering seal 121 and clamps around the food product container top wall seam 114 to form the dry gas chamber DGS. The dry gas chamber DGS extends between the covering sleeve member seal 121, the covering sleeve member side wall 101, the food product container side wall 100 above the dry gas seal 123 in-part, the dry gas seal 123 and the outward facing surface of the compartment forming sleeve member 102. A dry gas DG preferably just under ambient atmospheric pressure is provided inside the dry gas chamber DGS.
(128) As before, covering sleeve member 30 has covering sleeve member bottom wall 130 that sealing connects to covering sleeve member side wall 101. Covering sleeve member bottom wall 130 sealing connects to an inward protruding covering sleeve member shrinkable annular wall 133. Covering sleeve member shrinkable annular wall 133 is flexible and can respond to pressure changes by either collapsing or expanding.
(129) Food product container 20 is preferably a cylindrical beverage container of standard design, with standard food product release means 113 and a standard food product release port 112.
(130) Covering sleeve member 30 is provided. Covering sleeve member 30 as described earlier is preferably made from one of stretch-formed, stretch blown PET and PVC to form a covering sleeve member 30 in the form of a thin-walled cup-like sleeve, but it can also be formed from deep drawn thin walled aluminum. Covering sleeve member 30 has covering sleeve member side wall 101 that surrounds in whole or in part the food product container 20 with compartment forming sleeve member 102 attached to said food product container side wall 100. Covering sleeve member side wall 101 can take on a variety of shapes to give it strength but must permit said covering sleeve member side wall 101 to mate with portions of the food product container side wall 100 as will be described in the foregoing. The covering sleeve member side wall 101 covers in whole or in part a sealed food product container 20 containing a food product P. Covering sleeve member side wall 101 can be made with other plastic materials that can shrink when heat is applied to their surfaces. Covering sleeve member side wall 101 preferably covers in-part food product container side wall 100 and may extend to cover in part the food product container top wall 107. The covering sleeve member side wall 101 just slidingly fits and circumferentially surrounds the wick 140 on the compartment forming sleeve member 102. Covering sleeve member side wall 101 preferably covers in-part food product container side wall 100 and may extend to cover in part the food product container top wall 107. It is anticipated that covering sleeve member side wall end 110 is located at the covering sleeve member sealing portion 108, but it is contemplated that the covering sleeve member side wall end 110 may extend beyond the covering sleeve member sealing portion 108 and above the food product container top wall 107. When the covering sleeve member sealing portion 108 is shrunk, it clamps around the surface of compartment forming sleeve member 102 and forms an annular dry gas chamber DGS defined by the surfaces of the dry gas seal 123, the covering sleeve member seal 121 and the food product container side wall 100 in part and the covering sleeve member side wall in part.
(131) Covering sleeve member 30 protects compartment forming sleeve member 102. When the covering sleeve member side wall 101 is heat shrunk, it should not clamp around the surface of compartment forming sleeve member 102 but must permit humidification liquid vapor Vw to able to pass between the covering sleeve member side wall 101 and the outward facing compartment forming sleeve member side wall 105. It is anticipated that covering sleeve member sealing portion 118 partially deforms around the compartment forming sleeve member 102 to securely hold the same and provide for a restricted vapor passageway 119a.
(132) The outward facing surface of the compartment forming sleeve member side wall 105, the dry gas seal 123, and the inward facing surface in part covering sleeve member 30 form a dry gas chamber DGS. The outward facing surface of the food product container side wall 100, the covering sleeve member seal 121, and the inward facing surface in part food product container side wall 101 form a humidification liquid chamber w.
(133) Covering sleeve member 30 has covering sleeve member bottom wall 130 that sealing connects to covering sleeve member side wall 101. Covering sleeve member bottom wall 130 sealing connects to an inward protruding covering sleeve member shrinkable annular wall 133. Covering sleeve member shrinkable annular wall 133 is flexible and can respond to pressure changes by either collapsing or expanding. Covering sleeve member shrinkable annular wall 133 is filled with plastic heat-shrinking vapor absorber D up to the level of the covering sleeve member shrinkable annular wall 133. The inside surfaces of covering sleeve member 30 below the covering sleeve member seal 121 form a dry gas chamber DGS containing a dry gas GS.
(134) It is anticipated that covering sleeve member 101 may be made from spun or deep drawn aluminum and formed to provide for all the sealing required by spin forming and rolling it in parts. In such a case, covering sleeve member shrinkable annular wall 133 may be made from heat-shrinkable PET or PVC material and added on to the covering sleeve member bottom wall 130 by ultrasonic welding or gluing. If needed, a thin-walled open ended support cylinder 132 provided as before, with support cylinder holes 137 close to its top end is placed to rest at the opposite open end on the covering sleeve member bottom wall 130 between the covering sleeve member side wall 101 and the covering sleeve member shrinkable annular wall 133 and to contact the compartment forming sleeve member bottom wall 105. If the covering sleeve member side wall 101 is made strong enough, support cylinder 132 is not necessary.
(135) Annular plastic heat-shrinking vapor absorber retention space 131 within the dry gas chamber DGS is formed between the space defined by the inner surface of the support cylinder 132, inner surface covering sleeve member shrinkable annular wall 133 and the inner surface covering sleeve member bottom wall 130. Annular plastic heat-shrinking vapor absorber retention space 131 is in fluid communication with the dry gas chamber DGS and is within dry gas chamber DGS. An annular thermal wax retention space 136 is formed in the dry gas chamber DGS between the outer surface of the support cylinder 132, the inner surface of the covering sleeve member side wall 102 and the inner surface of the covering sleeve member bottom wall 130. Annular thermal wax retention space 136 may be optionally filled with a suitable thermal wax 138 that can melt at temperatures ranging from 70° f to 160° f. Support cylinder 132 prevents the covering sleeve member bottom wall 130 from collapsing and deforming its shape relative to food product container 20.
(136) A cooling actuation means, 40, is provided when a finger f is used to depress covering sleeve member side wall 101 at the location of the dry gas seal 123 to deform the same and expose humidification liquid HL from the humidification liquid chamber W into the dry gas chamber e.
(137) It is anticipated that compartment forming sleeve member 102 may have shapes and forms that can assist in increasing the surface area, to help evaporation in the dry gas chamber DGS. It is anticipated that ionizable chemical compounds S are selected from the species of dissolving chemical compounds DCC that dissolve endothermically may be placed in inward facing protuberances 103 of the compartment forming sleeve member 102 as described earlier. This can be done by infusing the outward facing surface of compartment forming sleeve member 102 with said ionizable dissolving chemical compounds DCC as described earlier. Restricted vapor passageway 119a is formed by the clamping of covering sleeve member sealing portion 118 on wick 140.
(138) Annular plastic heat-shrinking vapor absorber retention space 131 holds a plastic heat-shrinking vapor absorber D, such as silica gel, molecular sieves, clay desiccants such as montmorillonite clays, calcium oxide, and calcium sulfide. Annular plastic heat-shrinking vapor absorber retention space 131 is stretch-formed from a heat-shrinkable material including various forms of heat-shrinkable PET and various forms of heat-shrinkable PVC. Covering sleeve member shrinkable annular wall 133 responds to heat by deforming and shrinking its surface area. Advantageously, covering sleeve member shrinkable annular wall 133 shrinks in surface area and tends to flatten with heat received from the plastic heat-shrinking vapor absorber to increase the volume of the dry gas chamber DGS. This deformation is caused by the plastic heat-shrinking vapor absorber D heating up as it absorbs humidification liquid HL vapor Vw from humidified dry gas DG in the dry gas chamber DGS. The dry gas GS in the dry gas chamber DGS is in fluid communication with the plastic heat-shrinking vapor absorber D and with the restricted vapor passageway 119a and thus, advantageously, the annular plastic heat-shrinking vapor absorber retention space 131 is in fluid communication with the outside walls of compartment forming sleeve member 102.
(139) The shape of covering sleeve member shrinkable annular wall 133 must minimize the dry gas chamber DGS before it is heated, and thus its intrusion into the dry gas chamber DGS must be designed to maximize and increase the volume of the dry gas chamber DGS. In the examples shown in
(140) When heated, the covering sleeve member shrinkable annular wall 133 shrinks and minimizes its area. The annular plastic heat-shrinking vapor absorber retention space 131 expands and move outwardly and causes the volume of the dry gas chamber DGS to increase to generate a substantially lower pressure on dry gas DG less than its initial pressure which preferably is just below ambient atmospheric pressure. This lowers the vapor pressure of the dry gas DG and any vapor in the dry gas chamber DGS, and thus the vapor pressure in the compartment forming sleeve member 102. Thus, it is anticipated that covering sleeve member side wall 100 may be designed with annular protuberances or lateral protuberances to strengthen it and prevent it from collapsing under the rarefication force generated by the plastic heat-shrinking vapor absorber D. For example, the inward facing protuberances 103 and outward facing protuberances 104 shown in
(141) As before, the compartment forming sleeve member 102's outward facing surface forms a part of the dry gas chamber DGS. This surface can also be layered with ionizable compounds S when it is heat shrunk to form its shape by hot-spraying it with a stream of particulates of ionizable compounds carried by heated air at high impact pressure as it is thermally shrunk to form its shape on a mold. A dry gas DG at preferably just below atmospheric ambient pressure is provided inside the dry gas chamber DGS and to also fill the dry gas chamber DGS and create a slight pressure difference between the dry gas chamber DGS (lower pressure) and the humidification liquid chamber W.
(142)
Method of Manufacture of Third and Fourth Embodiments
(143) This method is essentially the same as the steps required for the first embodiment with slight differences, a standard food product container 20 is provided.
(144) As before, a covering sleeve member seal 121 is provided and covering sleeve member seal 121 is expanded and placed circumferentially and tightly around the food product container side wall 100 in a plane parallel to the diametric plane of the food product container 20 and to band around the food product container top wall seam 114.
(145) As before, dry gas seal 123 is provided and expanded and placed circumferentially and tightly around the food product container top wall 107 about 20 mm or so below covering sleeve member seal 121 in a plane parallel to the diametric plane of the food product container 20 to band around the food product container side wall 100.
(146) Compartment forming sleeve member 102 is provided in the form of a cup-sleeve as described earlier is provided to frictionally encases and fits over food product container side wall 100 and just cover the dry gas seal 123. As before a wick 140 is optionally provided and bonded to the outward facing wall of compartment forming sleeve member side wall 105.
(147) Humidification liquid HL is poured into compartment forming sleeve member 102 to fill the humidification liquid chamber W between the food product container and the compartment forming sleeve member 102 up to just below the dry gas seal 123.
(148) Hot air HA is first directed at the compartment forming sleeve member 102 at location of the dry gas seal 123 to shrink and clamp the compartment forming sleeve member 102 in part around the surface of dry gas seal 123, after which the hot air HA is removed. This seals in humidification liquid HL and forms the sealed humidification liquid chamber w, formed by the annular gap between the food product container and the compartment forming sleeve member 102 up to just below the dry gas seal 123.
(149) As before, covering sleeve member 30 is provided as cup-like structure with straight covering sleeve member side wall 101 as shown in
(150) As before, covering sleeve member side wall 101 should be taller than food product container 20 and should extend beyond the food product container top wall 107 by at least 50 mm. The covering sleeve member side wall 101 just fits over the compartment forming sleeve member 102:
(151) As before, support cylinder 132 is placed to sit on covering sleeve member bottom wall 130 with support cylinder holes 137 close to the food product container 20 to form the annular plastic heat-shrinking vapor absorber retention space 131 and the annular thermal wax retention space 136. As before, thermal wax 138 is placed to fill the annular thermal wax retention space 136 and holds a plastic heat-shrinking vapor absorber D is filled in the annular plastic heat-shrinking vapor absorber retention space 131.
(152) As before, food product container 20 with the compartment forming sleeve member 102, compartment forming sleeve member 102 attached, the covering sleeve member seal 121 and the dry gas seal 123 is inserted to sit on support cylinder 132 inside the covering sleeve member 30.
(153) As before, cylindrical rod CR is provided with a through hole TH through its length and with a three-way fitting TFW attached to the through hole TH. As before, the first input of the three-way fitting TFW is connected by a dry gas hose DGH to fluidly communication with dry gas pressure canister DGC via a dry gas valve DGV. As before the second input of the three-way fitting TFW is connected by a vacuum pump hose VPH to a vacuum pump VP via a vacuum valve Vv. As before the third input of the three-way fitting TFW is connected by a humidification liquid tank HLT via a humidification liquid valve HLV.
(154) As before the cylindrical rod CR outer diameter is made to fit exactly inside the covering sleeve member 30 and it is inserted about 20 mm into the open end of covering sleeve member 30 and covering sleeve member 30 is heat shrunk to seal around it. The humidification liquid valve HLV, the dry gas valve DGV and the vacuum valve Vv are shut off.
(155) As stated earlier, the dry gas valve DGV regulated at a low pressure of about 1 psig and the vacuum valve Vv are first opened to permit dry gas GS to flood the interior of the covering sleeve member 30 to purge any wet air and gases within the compartment forming sleeve member 102, the dry gas chamber DGS and in the interior of the covering sleeve member 30 using the vacuum pump VP. After a few seconds of purging, the dry gas valve DGV is turned off to permit the vacuum pump VP to lightly rarify the dry gas DG remaining in the covering sleeve member 30 to a pressure just below ambient atmospheric pressure. A cut off valve to control the pressure may be provided, but the vacuum pump VP itself can be made to provide the rarefication required.
(156) Hot air HA from the heat source HS is now directed on the location of the food product covering sleeve member sealing portion 108 of the covering sleeve member side wall 101 to shrink and clamp around the covering seal 121 after which the hot air HA is removed. This seals and forms the dry gas GS in the dry gas chamber DGS.
(157) Then, the extra material of the covering sleeve member 30 that is attached to the cylindrical rod CR is cut off to create the covering sleeve member side wall end 110. The apparatus 10 is now ready for use.
Method of Operation of the Apparatus According to the Third and Fourth Embodiments
(158) It is anticipated that the cooling actuation means 40 is activated by finger f pressure to deform dry gas seal 123 before the food product release means 113 is used. However, should the food product release means 113 be used before the cooling actuation means 40, then, it is anticipated that the pressure drop due to the absence of a seal in the food product P and also within a carbonated food product container 20 will cause a relaxation of the food product container side wall 100 and thus compromise the integrity of the seal formed by dry gas seal 123 between the compartment forming sleeve member 102 and the covering sleeve member side wall 101 and the slight rarefication of the dry gas GS will cause a pressure difference between the dry gas chamber DGS (lower pressure) and the humidification liquid chamber w. In either case of the cooling actuation means 40, humidification liquid HL will naturally cause the humidification liquid vapor Vw from the humidification liquid chamber W to evaporate into the dry gas chamber DGS. The slight rarefication of the dry gas GS will cause a pressure difference between the dry gas chamber DGS (lower pressure) and the humidification liquid chamber w. In either case of the cooling actuation means 40, humidification liquid vapor Vw will naturally be forced to evaporate and enter into the dry gas chamber DGS by the pressure difference between the dry gas chamber DGS and the humidification liquid chamber W. This starts the cooling process by evaporation of humidification liquid vapor Vw into the dry gas GS. The same happens when the food product release means 113 is used before the cooling actuation means 40. The hold of the dry gas seal 123 on the food product container side wall 100 is weakened when the carbonation pressure is released from the food product P and the slight rarefication of the dry gas GS will cause a pressure difference between the dry gas chamber DGS (lower pressure) and the humidification liquid chamber w. In either case of the cooling actuation means 40, humidification liquid vapor Vw will naturally be forced by to enter into the dry gas chamber DGS. Humidification liquid vapor Vw passes through into the dry gas chamber DGS which has dry gas DG in it. The dry gas chamber DGS is anticipated to contain chemical compounds S within it. This causes further endothermic cooling. Dry gas GS evaporates the humidification liquid HL into humidification liquid vapor Vw and evaporative cooling occurs. The dry gas DG absorbs humidification liquid vapor Vw and this lowers the dew point temperature of the dry gas DG and it becomes wet gas. The heat of evaporation, H, is taken away by the dry gas DG as it becomes wet and lowers its dew point temperature. As before, the plastic heat-shrinking vapor absorber D heats up as it sorbs the humidification liquid vapor Vw and the annular plastic heat-shrinking vapor absorber retention space wall 133 which is tensioned by being stretch-formed, responds to the increase in its temperature by deforming and shrinking its area.
(159) As before, when heated, the annular plastic heat-shrinking vapor absorber retention space wall 133 shrinks its surface area and moves outwardly away from the food product container domed bottom wall 22 causing the volume of the dry gas chamber DGS to increase and thus generating a substantial lower vapor pressure in the fixed amount of rarified dry gas DG in the dry gas chamber DGS. This lowers the vapor pressure of the dry gas DG in the dry gas chamber DGS. The pressure in the dry gas chamber DGS is now lower and thus humidification liquid vapor Vw is pulled into the dry gas chamber DGS at an accelerated rate. This deformation of the annular plastic heat-shrinking vapor absorber retention space wall 133 continues with the continued generation of more heat of evaporation h and causing the annular plastic heat-shrinking vapor absorber retention space wall 133 to tend to flatten and thus increase the volume of the dry gas chamber DGS relative to its original volume. The deformation and flattening of the annular plastic heat-shrinking vapor absorber retention space wall 133 causes the dry gas chamber DGS to increase in volume, and since there is a fixed amount of dry gas DG in the dry gas chamber DGS, a lower pressure is created inside the dry gas chamber DGS. The annular plastic heat-shrinking vapor absorber retention space 131 is also made larger by the flattening of the annular plastic heat-shrinking vapor absorber retention space wall 133. As before, this causes the plastic heat-shrinking vapor absorber D to continuously shift, move, fall, and spread over the flattened annular plastic heat-shrinking vapor absorber retention space wall 133. This spreading agitates the plastic heat-shrinking vapor absorber D and makes it more effective as it assumes a greater surface area. Thus, dry gas DG is an electromotive heat transport means for humidification liquid vapor Vw into the plastic heat-shrinking vapor absorber D without the need for a vacuum.
(160) The combination of the humidification liquid HL and the plastic heat-shrinking vapor absorber D is summarized in table 1 below:
(161) TABLE-US-00001 TABLE 1 Humidification liquid HL Dry gas GS Plastic heat-shrinking vapor absorber D Purified water Air, carbon Silica gel, 4a° molecular sieves, clay desiccants such as dioxide gas. montmorillonite clays, calcium oxide, calcium sulfide. Carbon sieves. Phosphorous pentoxide and montmorillonite clays Phosphorous pentoxide and carbon. Ammonia-water solution Nitrogen gas Water, Sodium thiocyanate, Monomethyl amine-water, lithium nitrate, 4a° molecular sieves. Ethanol-water mixtures Air 5a° molecular sieves, Carbon sieves
(162)
Fifth Embodiment of the Present Invention
(163) As before, a food product container 20 is provided with a food product container side wall 100 and a food product container top wall 107 and opening means 112 with food product release means 113. Food product container side wall 100 has the compartment forming sleeve member 102 with a compartment forming sleeve member side wall 105 with inward facing protuberances 103 preferably on the inside surface as shown in
(164) Each reacting chemical compound RCC is held exclusively in a distinct compartment 105b. The dissolving chemical compounds can also be added to be stored exclusively in distinct compartment 105b.
(165) The compartment forming sleeve member 102 has a compartment forming sleeve member sealing portion 105a forms a fluid seal surrounding the inward facing protuberances 103 with a food product container side wall 100. When the compartment forming sleeve member sealing portion 105a is sealed against the surface of the food product container side wall 100, the closed space forms the humidification liquid chamber W which holds reacting chemical compounds RCC and dissolving chemical compounds DCC in between the distinct compartments 105b of the humidification liquid chamber W.
(166) A cooling actuation means is provided by massaging the compartment forming sleeve member 102 with finger pressure F against the food product container side wall 100 to deform the inward facing protuberances 103 against the food product container side wall 100 to permit the reacting chemical compounds RCC to mix with each other and react and generate a first endothermic cooling of the food product P. Advantageously, a second endothermic cooling can be achieved if dissolving chemical compounds DCC are provided to mix and dissolve with reaction released humidification liquid HL from their reactions. The invention as stated in the opening paragraphs provided the following advantages: d) A variety of distinct reacting chemical compounds RCC and dissolving chemical compounds DCC can be stored between any of inward facing protuberances 103 when they form distinct compartments 105b against the food product container side wall 100. Many species of distinct reacting chemical compounds RCC can be stored between the inward facing protuberances 103 when they form distinct compartments 105b against a food product container side wall 100. Thus pairs of endothermically reacting chemical compounds RCC of different species of reactants can be stored in said distinct compartments 105b. Further different species of dissolving chemical compounds DCC can also be stored in said distinct compartments 105b. e) Further, humidification liquid HL created by the reacting chemical compounds RCC can be used to endothermically dissolve dissolving chemical compounds DCC to generate even more cooling. f) deforming and either breaking bending the inward facing protuberances 103 by means of the massaging the compartment forming sleeve member 102 causes reacting chemical compounds RCC to react endothermically that are stored between separate distinct compartments 105b before they react can be made to react when the protuberances are deformed or broken to permit said reacting chemical compounds RCC to mix and react.
The compartment forming sleeve member 102 can also be made a cylindrical sleeve that wraps around the food product container side wall 100. In such a case, the compartment forming sleeve member sealing portion 105a is a bather structure forming two circumferential sealing bands that enclose the humidification liquid chamber around the food product container side wall 100. The compartment forming sleeve member 102 can also be made from a rubbery and elastic material to make it pliable and soft enough to be massaged by fingers to mix the said chemicals for cooling.