Consumable beverage dispenser with one-way valve

Details Consumable beverage dispenser with one-way valve Consumable beverage dispenser with one-way valve

1998-07-22

2000-04-18

Shoap, Allan N.

Receptacles

Container attachment or adjunct

Drinking device

215229, 215388, 220705, 220710, 220714, 222 1, 2291031, B65D 7728

Patent

active

060504447

ABSTRACT:
A consumable beverage dispenser is provided having a collapsible beverage container, a valve assembly, and a flexible tube or straw. The collapsible beverage container has at least one opening and the valve assembly is secured to the container at the opening. The valve assembly includes a flexible diaphragm disposed across the flow path such that beverage flow is permitted only outwardly from the container. The flexible tube extends outwardly from the valve assembly. When a user exerts sucking action on the end of the flexible tube, beverage is made to flow from the container out through the one-way valve assembly and into the flexible tube. As beverage is withdrawn, the container collapses and, when the user stops drinking, the flexible diaphragm closes to prevent air and back flow from entering the container. In one embodiment, the flexible tube is slidable within the valve assembly between an open and a closed position. In the closed position, the flexible tube secures the flexible diaphragm to the valve seat and thereby prevents fluid flow through the valve assembly. In the open position, the flexible tube is spaced from the flexible diaphragm and thus beverage can flow through the valve assembly and out through the flexible tube in response to sucking action exerted on the end of the flexible tube by a user.

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