A self-priming-pump-equipped packaging bottle includes a tubular bottle body containing therein an upper seal assembly, a lower seal assembly, and piston from top to bottom. The upper and lower seal assemblies and the tubular bottle body form a closed material-feeding chamber. The lower seal assembly, the piston, and the tubular bottle body form a closed material-storing chamber. The lower seal assembly primarily has a seal seat with a through hole and an elastic sealing gasket covering the through hole from above. The upper seal assembly has an umbrella-shaped member, a hollow material-feeding column, a support post, and an end sealing cap. The end sealing cap is fixed in the umbrella-shaped member through the support post. The hollow material-feeding column's bottom surface, the support post, and the end sealing cap form a material outlet. The umbrella-shaped member lower end is in interference fit with the seal seat.

The present invention provides a plunger (20) for a dispenser, the plunger including a large diameter body portion (23) provided with ring-shaped contact surfaces (24, 25) that contact an inner wall surface of a syringe, a rear opening (26) formed in a backside of the large diameter body portion (23), and a small diameter body portion (22) provided with a front opening (28), wherein the front opening (28) is formed in a size allowing a liquid material to be directly pressed by pressurized air, and allowing at least the plunger (20) to move following a fall in water head position, which is caused with discharge and consumption of the liquid material. With those features, the liquid material can be prevented from adhering to the inner wall surface of the syringe, and the liquid material in the syringe can be prevented from flowing backwards.

A double container includes: an inner container adapted to store a given content therein and having a neck formed on top thereof; an outer container adapted to accommodate at least a portion of the inner container therein; a neck cap coupled to the neck of the inner container and having at least a portion accommodated in the inner container; pump assemblies coupled to top of the outer container, detachably coupled to the outer peripheral surface of the neck cap, having at least portions accommodated in the neck cap and inserted inside the inner container, and adapted to discharge the content therefrom; and a nozzle adapted to be pressurized by a user to discharge the content transferred from the pump assemblies through a discharge hole.

Apparatus for holding a food product and allowing a user to consume the food product without contact including a container. The container presents a base, a front wall, a rear wall, and sidewalls. The apparatus further includes a sleeve. The sleeve includes a top portion, a bottom portion, and sidewalls. The top portion, bottom portion, and sidewalls form an interior. The container stores a food product such as a sandwich and an article such as tissue paper. The sleeve slidably receives the container. A user slides open the container from the sleeve and removes the food product. Subsequently, the user places the food product through the interior with support from the front wall. The user slides the container in the interior from one end to another end of the sleeve while consuming the food product. The apparatus allows the user to consume the food product without contacting the food product.

A double container includes: an inner container adapted to store a given content therein and having a neck formed on top thereof; an outer container adapted to accommodate at least a portion of the inner container therein; a neck cap coupled to the neck of the inner container and having at least a portion accommodated in the inner container; pump assemblies coupled to top of the outer container, detachably coupled to the outer peripheral surface of the neck cap, having at least portions accommodated in the neck cap and inserted inside the inner container, and adapted to discharge the content therefrom; and a nozzle adapted to be pressurized by a user to discharge the content transferred from the pump assemblies through a discharge hole.

An urging member configured to constitute a base for a can, comprising a peripheral edge, at which the urging member is to be connected to a side wall of a can at one end thereof to form a semi-fabricated can; an urgeable area surrounding having a normal state in which at least a central part of the area is outwardly convexly curved; and a pattern of elements formed in the urging member and located between the peripheral edge and a central axis thereof. The elements comprise at least one strengthening rib extending along the peripheral edge and protruding in the outward direction of the urging member, and urgeability-providing elements located between the central axis and the at least one strengthening rib. The urgeability-providing elements are angularly spaced from each other about the central axis, being radially spaced from the strengthening rib and being configured to provide the urgeable area with the ability to be repeatably elastically displaceable in an inward direction, upon the manual application of an urging force to the urgeable area by at least one finger of a user, thereby changing the state of the urgeable area from a normal state in which the central portion of the area is disposed at a first location with respect to the reference plane, to a deformed state in which the central portion is disposed at a second location spaced from the reference plane to a greater distance than in the normal state; and in the outward direction upon release of the urging force, thereby changing the state of the urgeable area from the deformed state to the normal state.

A storage container includes: a sidewall portion, a seal portion and a movable member. The sidewall portion, the seal portion and the movable member define an accommodation space. The seal portion is adapted to seal a top of the sidewall portion, and the seal portion is provided with a hole communicated with the accommodation space. The movable member is adapted to seal a bottom of the sidewall portion, and further adapted to move up and down in parallel to a direction of the bottom of the sidewall portion pointing to the top. The movable member is configured to connect a control device. The control device controls the movable member to move up and down in a direction of the bottom of the sidewall portion pointing to the top.

A method of storing a product that contains a volatile component within a fluid storage reservoir formed with enclosing walls having a permeability that permits limited passage of the volatile component from the storage reservoir to the atmosphere, preferably with the method increasing the shelf life of the product stored, and a fluid storage reservoir with a first container containing the fluid product to be dispensed including the volatile component and a second container containing a sacrifice material including the same volatile component with an intermediate transfer wall shared by both the first container and the second container for transfer of the volatile component between the first container and the second container. The product preferably is a surface cleaner or a hand sanitizer including 30 to 95% ethanol.

A glass slide set according to one or more embodiments may include: a stack of glass slides; and a packaging box that houses the stack. The packaging box may include: an exit opening through which the stack exits; and a push opening through which the stack is pushed, so that the stack exits through the exit opening.

Vial assemblies comprising a tubular body and a flexible bottom or flexible liner are described herein, wherein the flexible bottom or liner is configured to compress at least partially upon the application of force. Methods for storing and removing frozen samples from such vial assemblies are also described herein.