Device for sealing packages
09919824 ยท 2018-03-20
Assignee
Inventors
- Terry C. Potter (Lambertville, MI, US)
- Andrew E. Potter (Sylvania, OH, US)
- Matthew J. Medlin (Sylvania, OH, US)
- Iain A. McNeil (Sylvania, OH, US)
- Jeffrey J. Potter (Toledo, OH, US)
Cpc classification
B65D81/03
PERFORMING OPERATIONS; TRANSPORTING
B65B51/12
PERFORMING OPERATIONS; TRANSPORTING
B65B51/14
PERFORMING OPERATIONS; TRANSPORTING
B65D29/00
PERFORMING OPERATIONS; TRANSPORTING
B65B57/02
PERFORMING OPERATIONS; TRANSPORTING
B65B5/00
PERFORMING OPERATIONS; TRANSPORTING
International classification
B65B51/12
PERFORMING OPERATIONS; TRANSPORTING
B65B51/14
PERFORMING OPERATIONS; TRANSPORTING
B65D81/03
PERFORMING OPERATIONS; TRANSPORTING
B65B57/02
PERFORMING OPERATIONS; TRANSPORTING
Abstract
A cost-effective system and method of sealing that may be a pack adapted to be distributed from an aircraft in the event of a natural, military, political, or other disaster is described herein. The system comprises a conveyor belt and a sealing mechanism positioned above the conveyor belt. The sealing mechanism is comprised of a motor, a drive shaft rotated by the motor, an eccentric hub coupled to the drive shaft, a drive link coupled to the eccentric hub and adapted to translate rotational motion into liner motion, a pivot arm coupled to the drive link, and a sealing bar coupled to the pivot arm and adapted to seal the packages as the packages pass under the sealing mechanism.
Claims
1. A device for sealing packages, comprising: a conveyor belt; and a sealing mechanism positioned above the conveyor belt, wherein the sealing mechanism is comprised of: a motor; a drive shaft rotated by the motor; an eccentric hub coupled to the drive shaft; a drive link coupled to the eccentric hub and adapted to translate rotational motion into linear motion; a pivot arm coupled to the drive link; a sealing bar coupled to the pivot arm and adapted to seal the packages as the packages pass under the sealing mechanism; a laser imaging device adapted to determine if a package is properly positioned under the sealing mechanism prior to sealing the package; and guide wheels, wherein at least one guide wheel is notched to allow the laser to pass through the guide wheel uninterrupted.
2. The device of claim 1, wherein the sealing mechanism further comprises a strip brush coupled to the pivot arm and adapted to close each package as the package is sealed.
3. The device of claim 1, wherein the sealing mechanism is one of electrically driven or pneumatically driven.
4. The device of claim 1, wherein the conveyor belt is positioned on a stand.
5. The device of claim 4, wherein the stand is movable.
6. The device of claim 1, wherein a plurality of packages are sealed continuously without stopping or slowing the conveyor belt.
7. The device of claim 1, wherein the sealing bar applies heat to each package to seal the package.
8. The device of claim 1, wherein the packages are automatically or manually filled prior to being sealed.
9. The device of claim 1, wherein the packages are only open along one edge prior to being fed into the device.
10. The device of claim 1, wherein an operator of the device is able to control at least one of a conveyor speed, a sealing time, a run time, and a temperature of the sealing.
11. The device of claim 1, wherein the device is transportable as a single unit.
Description
DESCRIPTION OF THE DRAWINGS
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DESCRIPTION OF THE INVENTION
(15) Providing supplies to a population under emergency conditions is an extremely risky undertaking. Typically, transportation infrastructures have been disrupted, for example, by natural disasters or political or social upheaval. It is often difficult or impossible to truck relief supplies to the disaster area because roads are destroyed and/or access points are blocked. In addition, the relief workers themselves are placed in danger, which may be from environmental concerns (e.g. floods, mudslides, earthquakes, radiation) or dangerous military actions on the ground. Providing supplies by air is often the only viable option in a disaster, but there are still many problems. Because supplies are provided in bulk, the process generally requires precise targeting and coordination with those on the ground to avoid damage to the supplies themselves, damage to structures on the ground, and harm to persons and animals. Whether delivered by truck, ship, or aircraft, supplies are often stolen or confiscated by governments or persons wishing to establish regional political or military dominance. Consequently, the cost of delivery is high and the effectiveness of providing real relief is minimal.
(16) It has been surprisingly discovered that a cost-effective pack of supplies can be manufactured and air dropped for distribution to large numbers of people with a minimized risk of damage to structures on the ground, to the supplies themselves, and with minimal risk of harm to people and animals on the ground, all while maximizing the receipt of supplies to those in limited area. While weather conditions can still be problematic, when known or predicted in advance, specific aerodynamic components can be configured by one skilled in the art to adjust the trajectory of the packs and therefore account for expected transverse movement of the pack through the air while descending. Also, pack distribution can be monitored by radar (e.g. doppler) or tracking devices within each pack (e.g. GPS) to plot broadcast distribution patterns over various terrain and in various weather conditions. Those patterns can be used to determine optimal distribution or determine if re-distribution is necessary. Design configurations may include, for example, ailerons and rudder structures that may be fixed to predetermined positions, wings and/or leading edges set at a predetermined shape or angle of attack, asymmetric loading of the supplies in the pack itself and/or combinations thereof.
(17) Alternatively, packs and also boxes containing multiple packs may be rendered transparent or invisible to radar by coating pack and/or box walls with radar absorbing materials such as, for example, carbon fiber and/or carbon nanotubes including single-walled, double-walled and/or multi-walled carbon nanotubes. Walls may also be angled to provide packs and/or boxes with a low radar profile. Packs and/or boxes may also be camouflaged with color to render packs invisible from the ground or at least difficult to spot and track in the air as they descend. Preferred colors include traditional camouflage patterns, or solid colors or patterns of sky blue, snow white, gray, brown, green, sand colored, dark blue, and black. Packs and/or boxes may also be colored differentially so that the chosen color renders the pack largely invisible when looking up and difficult to see when on the ground such as, for example, by using boxes with sky blue bottom and black tops.
(18) Preferably, packs, including the aerodynamic components, are manufactures as single units to minimize manufacturing costs. Also preferable, supply items are inserted into the packs during the manufacturing process, again to minimize costs.
(19) As embodied and broadly described, the disclosures herein provide detailed embodiments of the invention. However, the disclosed embodiments are merely exemplary of the invention that is embodied in various and alternative forms. Therefore, there is no intent that specific structural and functional details should be limiting, but rather, the intention is that they serve as a representative basis for teaching one skilled in the art to variously employ the present invention.
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(21) The outer package 14 may be formed from a polymeric material, such as polyethylene, for example. In certain embodiments, the outer package 14 is formed from a biodegradable material, such as, for example, a polyvinyl alcohol (PVA), polyethylene (PE), polypropylene (PP), or polystyrene (PS). Plastic boxes have the advantage of allowing for extrusion manufacturing and sealing of the boxes with heat to fuse the plastic materials providing a barrier to moisture and other substances, e.g., rendered water-tight. In preferred embodiments, the outer package 14 may also be formed from a mesh material. In preferred embodiments, the outer package 14 is formed from a high performance barrier plastic. For example, the high performance barrier plastic can be an oxygen or carbon dioxide scavenger or barrier. Additionally, outer package 14 may be made of numerous layers and/or corrugated to provide strength. For example, outer package 14 may have inner and outer layers of polyethylene and a middle layer of rip-stop nylon. In preferred embodiments, outer package 14 may be coated with a low friction coating (e.g. a lubricant, talcum powder, Teflon, an oil, or graphite). Furthermore, there may be adhesive between the layers, layers that promote heat seals, and layers that provide optical clarity or opaqueness. Furthermore, the thickness of outer package 14 can vary depending on the desired attributes of the pack 10. A skilled artisan may select suitable materials and number of layers for the outer package 14, as desired.
(22) The inner package 12 is disposed inside the outer package 14. Where the inner package 12 houses item 11, the contents of the inner package 12 may dictate the particular material used to form the inner package 12. For example, the material forming the inner package 12 may be dictated by a desired shelf-life and storage time of the item 11 housed by the inner package 12. In preferred embodiments, the inner package 12 is formed from a polymeric material, such as, for example, PE, PVA, PS and/or PP. The inner package 12 may alternatively be formed from any conventional material known in the packaging industry, materials such as a cardboard, a metal, a plastic, a fabric or a combination of the foregoing, as examples. Furthermore, inner package 12 may be made of or contain a cushioning material. For example, inner package 12 may be formed from bubble wrap or foam.
(23) As non-limiting examples, the inner package 12 may contain or be non-perishable items 11, such as mosquito netting, a blanket, tools, illuminating devices, batteries, tents or other shelter, rain suits or other clothing and foot protection, toilet tissue, cleansing wipes, ammunition, dental hygiene supplies, parts required for vehicle or equipment repair, hunting and fishing tools, water purification pills, a filtered drinking straw to remove contaminants from water, communication and/or navigation devices, heating devices such as those chemically activated to generate heat, and video or paper informational instructions furnished to victims of a natural disaster or war. Other types of non-perishable items 11 may also be housed by the inner package 12, within the scope of the present disclosure.
(24) Where the contents of the inner package 12 are non-perishable, the inner package 12 may particularly be formed from a biodegradable material, such as a polyvinyl alcohol (PVA), for example, or from a perforated material. Furthermore, the inner package 12 may include one or more tabs coupled to each end of the item 11 contained therein and to the outer package 14. The tabs facilitate a removal of the inner package 12 from the outer package 14, for example.
(25) The inner package 12 may also be used for delivery of perishable items 11. For example, the inner package 12 may contain a food or a liquid that requires a substantially fluid and/or light and/or air impermeable material. Where the contents of the inner package 12 are temperature or light sensitive, such as a medication, or flammable, such as fire-starting kits, magnesium blocks for starting fires, or fuels, the inner package 12 may be formed from a thermally insulating material, for example, a metallic or composite foil. The inner package 12 may also include a heating or cooling substance or a device to maintain the contents of the inner package 12 at a desired temperature. The heating or cooling substance or device may also be contained by the outer package 14 and not merely the inner package 12. Medicinal contents of the inner package 12 may include insulin, tetanus vaccinations, Dengue-fever vaccinations, malaria vaccinations, antibiotics, and the like, as non-limiting examples. Other types of perishable items 11 may also be housed by the inner package 12, as desired.
(26) The outer package 14 and the inner package 12 may be formed from the same material or from different materials, as desired. A skilled artisan may select suitable materials for the inner package 12 and the outer package 14, as desired.
(27) With renewed references to
(28) The outer package 14 includes at least one aerodynamic component 32, 34. Aerodynamic component 32, 34 preferably creates drag during the free fall of pack 10 during use thereby slowing the descent of pack 10. Additionally, aerodynamic component 32, 34 may provide aerodynamic and stability characteristics such as lift, directional control, thrust, or weight. In the embodiment shown in
(29) The at least one aerodynamic component 32, 34 may advantageously cause turbulent flow, as opposed to laminar flow, across the outer package 14 and decrease a descent rate of the pack 10 in operation. Preferably, the velocity of pack 10 is reduced from freefall to, for example, 20 meters per second, 15 meters per second, 10 meters per second, 8 meters per second, or 5 meters per second. Preferably, the impact with the ground of pack 10 is reduced from the impact of the pack with ground during freefall, for example, by 90%, 75%, 60%, 50% or another percentage. Although the embodiments shown in
(30) In certain embodiments, the aerodynamic component 32, 34 controls the flight path of the pack 10. For example, wings may be formed to force the pack 10 to follow a spiral descent, a zigzag descent, or a descent similar to an airplane that is landing. Such controlled descent improves the accuracy of delivering packs 10 to a desired location.
(31) In certain embodiments, the outer package 14 is formed from a substantially rigid material adapted to mitigate against a folding of the pack 10. With reference to
(32) As established hereinabove, the inner package 12 either is the item 11 for aerial delivery, or houses the item 11 for aerial delivery. As shown in
(33) Preferably, the contents of pack 10 is a single serving or ration of item 11. For example, the contents can be a single serving of water, a single nutrition bar, a first aid kit, or a sanitation kit. In embodiments where pack 10 holds a single serving of item 11, distribution of the packs is achieved during the airdrop since the packs will preferably be evenly and randomly distributed across the drop zone.
(34) It is understood that the various seals 20, 22, 24, 26, 28, 30, 36, 38, 48, 50 of the present disclosure may be formed by a chemical sealing operation, such as by use of an adhesive or a chemical solvent, for example, or by a heat welding operation, as desired. In particularly illustrative embodiments, the various seals 20, 22, 24, 26, 28, 30, 36, 38, 48, 50 are formed by heat sealing operations. Alternative means for forming the various seals 20, 22, 24, 26, 28, 30, 36, 38, 48, 50 may also be employed, as desired.
(35) The pack 10 of the present disclosure may further include a perforation 52 to facilitate an opening of the pack 10. The perforation 52 may be a tamper-proof or tamper-evident perforation 52. The perforation 52 may extend inwardly from an edge of the emergency pack and traverse at least one of the top edge seal 20, the bottom edge seal 22, the top transverse seal 48, and the bottom transverse seal 50, in order that the same seals may be opened to permit access to the inner package 12 and the item 11 for aerial delivery by an end user of the pack 10. Additional, perforations may be added to form a pouch with a carrying handle.
(36) As established herein, the outer package 14 is adapted to contain the inner package 12. The outer package 14 may also contain an illuminating device to facilitate visible location of the pack 10, particularly at night, such as a flashing LED, glowing film, or a reflective device, for example. The illumination device may be activated by time, temperature, pressure, or impact, for example. Alternatively, the outer package 14 may be formed from a radar reflective material or a radar dissipating coating. In certain embodiments, the outer package 14 is formed from or coated with a light-activated substance. The outer package 14 may also contain a tracking device such as a GPS device, an RFID device, and the like to facilitate tracking of the pack 10 or for inventory control. Furthermore, the packaging may contain a noise generating device. For example the packaging may contain a whistle, buzzer, or beeper that is activated as the air passes over the packaging, electrically, or mechanically. The noise generating device can announce the arrival and location of the packs as they drop or at the drop location. The noise generating device may be a speaker that can play a pre-recorded message. In certain embodiments, pack 10 has no moving parts, electric parts, or mechanical parts.
(37) The outer package 14 may include and/or contain indicia. The indicia may include a colored material or a symbol to indicate the contents thereof. For example, blue indicium may indicate that the item 11 is water, a Red Cross indicium may indicate that the item 11 includes medical supplies, and the like. The indicia may also include instructions in a plurality of languages or graphical instructions for opening the pack 10 and to indicate the use of the contents thereof. In certain embodiments, the packs 10 may be colored. For example, the packs 10 may be blue, maroon, yellow, beige, or patterns such as plaid or polka-dotted. Additionally, the pack 10 may have a solar film with a printed circuit device coupled to the pack. The device can be used for communication and/or navigation proposes by receiving and sending AM/FM or shortwave signals.
(38) As shown in
(39) In a preferred embodiment, empty packs are provided to the operator of the RPS. Preferably, the empty packs have one edge that is open, however more than one edge can be open. The user of the RPS preferably fills each pack with a desired payload and then uses the RPS to seal the remaining open edge. The packs can be filled in an automated process, by hand, or another method. The RPS may be able to determine which edge is open and properly orient the pack to seal the open edge. The RPS may use gravity to position and hold in place the pack during sealing or the RPS may use a conveyor to load and seal the RPS. The RPS may use glue, heat sealing, other adhesive, welding or another sealing method.
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(41) TABLE-US-00001 TABLE 1 No. Element 1 Base Plate 2 Side Plate 3 Anvil Plate 4 Mounting Plate 5 Side Plate 6 Sealing Head 7 Heat Seal Actuator Arm 8 Seal Arm Pivot Block 9 Actuator Plate Pivot Block 10 Rod Clevis for 1 Bore Air Cylinder 11 1 Bore 3 Stroke Air Cylinder 12 Pivot Bracket with Pin 13 Lower Cross Bar 14 Flanged Sleeve Bearing 15 Seal Arm Pivot Shaft 16 Eject Door Pivot Block 17 Eject Door Pivot Plate 18 Rod Clevis with Pin 19 1 1 1/16 Bore 1 Stroke Air Cylinder 20 Pivot Bracket with Pin 21 Eject Door Plate 22 Slide Plate 23 Cover Guard 24 Flanged Sleeve Bearing 25 Eject Door Pivot Rod 26 Front Cross Attachment Plate 27 20 Button Head Cap Screw 28 20 1 SHCS 29 20 SHCS 30 16 1 SHCS 31 16 2 SHCS 32 Reed Switch for 1 1/16 Bore Cylinder 33 Reed Switch for 1 Bore Cylinder 34 Heat Seal Actuator Plate 35 Cam Follower Mount 36 Actuator Plate Pivot Shaft 37 Cam Follower 38 Micro Switch Mount Block 39 Micro Limit Switch 40 6-32 1 SHCS 41 16 1 Socket Head Cap Screw 42 L.H. Spreader Rail 43 R.H. Spreader Rail 44 Fiberglass/Silicone Fabric Heat Seal Cover 45 Sealing Fabric Clamping Rod 0.170 Dia 8 Long 46 10-24 Flanged Button Head Stainless Steel Cap Screw 47 47 7605K43 1 Electrical Enclosure 14 12 8 48 48 92510A780 4 Aluminum Unthreaded Spacer I.D Long O.D. 49 20 1 SHCS 50 101-550-000-0 51 105-313 52 104-902 53 DIN Plug In 54 Endcap 55 Shim Plate 56 Socket Head Cap Screw
(42) Preferably, the RPS is contained within a base plate 1101, two side plates 1102 and 1105, an anvil plate 1103, and a cover guard 1123. Mounting plate 1104 is positioned above anvil plate 1103 and separated therefrom by spreader rails 1142 and 1143. Preferably, packs are loaded onto slide plate 1122, which feeds the packs between anvil plate 1103 and mounting plate 1104. Preferably anvil plate 1103 and mounting plate 1104 are at an angle to slide plate 1122, thereby using gravity to cause the packs to fall into position during loading.
(43) Sealing head 1106 is preferably then moved into position by heat seal actuator arm 1107 and seal arm pivot block 1108, which are preferably mounted on heat seal actuator plate 1134. The positioning of heat seal actuator plate 1134 is preferably controlled by actuator plate pivot block 1109, which rotates about actuator plate pivot shaft 1136. Preferably, the movement of the various components of the RPS are made using hydraulic pistons (e.g. stroke air cylinder 1111), cams, actuators, electronics, or other devices. Once the pack and the sealing head 1106 are properly positioned, sealing head 1106 preferably seals the pack. The sealing can be accomplished with adhesive, heat, lasers, stitching, fasteners, or another sealing method. Once the pack is sealed, it is preferably ejected out of the RPS via eject door plate 1121. Preferably, the sealed pack is allowed to slide out of the RPS via gravity.
(44) In the preferred embodiment, the remote packing machine or system operator turns machine on, which in turn powers on light lights, a heater begins to get hot, and a Heat Not Ready light turn on. Preferably the unit cannot cycle until it reaches a predetermined temperature. Once the machine reaches a proper temperature set point, a Heat Ready light turns on. In the preferred embodiment, the operator loads a filled pack in to machine and presses a pack strikes cycle start switch. In other embodiments the machine receives filled packs from a conveyor belt or is part of an automated system that automatically fills the packs and feeds them to the RPS. Depending on the components attached to the RPS, the system may have different levels of automation. A seal and cycle timer activates, a unit in cycle light turns on, and the seal head extends. Once the seal timer completes, the seal head retracts and an ejection chute opens. As the cycle timer completes, the ejection chute closes, and cycle is complete, as indicated by the unit in cycle light turning off. The sealed packs can then be stored or prepared for deployment.
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(46) As depicted in
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(48) TABLE-US-00002 TABLE 2 No. Element 1 Motor Mount Block 2 Flanged Bushing 3 Motor Support Plate 4 Pivot Block 5 Heat Seal Bar 6 Gearmotor 7 Stainless Steel SHCS (Socket Head Cap Screw) 8 Flat Point Set Screw 9 Drive Link 10 Drive Shaft 11 Eccentric Hub 12 Eccentric Pin 13 Pivot Shaft 14 Sleeve Bearing 15 Pivot Arm 16 Tie Rod 17 Actuator Shaft 18 Hex Head Shoulder Screw 19 High-Load Compression Spring 20 Flat Point Set Screw with Thread Lock 21 Low-Profile SHCS 22 Round Bottom Woodruff Key 23 External Retaining Ring 24 Strip Brush Holder 25 Brass Bristle Strip Brush 26 SHCS 27 Cotter Pin
(49) In a preferred embodiment, as the packs traverse the conveyor belt 2410, they pass under the sealing mechanism. The sealing mechanism may run at regular intervals or may run as required. For example, the mechanism may activate to seal a pack once an imaging device (such as a laser, a high speed digital camera, a light detection device, or another device) determines that a pack is properly positioned below the sealing mechanism for the sealing mechanism to seal the pack. For example, as can be seen in
(50) Upon activation, the gearmotor 2606, which is preferably held in place by the motor mount block 2601 and the motor support plates 2603, preferably causes eccentric hub 2611 to rotate about drive shaft 2610. As eccentric hub 2611 rotates, drive link 2609 preferably translates the rotational movement of eccentric hub 2611 into a linear movement. Drive link 2609 preferably causes pivot arm 2615 to pivot about pivot shaft 2613. As pivot arm 2615 moves, it causes brass bristle strip brush 2625 and heat seal bar 2605 to rise and lower. Preferably, brass bristle strip brush 2625 forces a pack closed as heat seal bar 2605 seals the pack. Additionally, there may be rollers 2635 (shown in
(51) Operators of the RPS may be able control the speed of the conveyor, the sealing time, the run time of the RPS, the temperature of the sealing, and other factors in sealing the packs. For example,
(52) Other embodiments and uses of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. All references cited herein, including all publications, U.S. and foreign patents and patent applications, are specifically and entirely incorporated by reference. It is intended that the specification and examples be considered exemplary only with the true scope and spirit of the invention indicated by the following claims. Furthermore, the term comprising includes the terms consisting of and consisting essentially of, and the terms comprising, including, and containing are not intended to be limiting.