One way valve with unitary valve element

Details One way valve with unitary valve element One way valve with unitary valve element

1992-05-18

1994-01-04

Shaver, Kevin P.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

Cabinet-type dispenser for single mixed drinks

137843, 137852, 137528, 137903, 222212, 222214, B65D 3700, B67D 556, F16K 1514

Patent

active

052753093

ABSTRACT:
An apparatus is disclosed for an improved one-way valve comprising a base for mounting in a chamber with a valve surface engaging with a sealing surface to close an input aperture of the chamber. A flexible web is interposed between the base and the valve surface for resiliently biasing the valve surface into engagement with the sealing surface thereby closing the input aperture. When a fluid pressure from the input aperture exceeds the resilient bias of the flexible web, the valve surface is displaced from the sealing surface for opening the input aperture to permit the flow of the liquid from the input aperture through the chamber into an output aperture. Upon a sufficient fluid pressure within the chamber, the valve surface engages with the sealing surface for closing the input aperture to inhibit the flow of fluid from the chamber into the input aperture.

REFERENCES:
patent: 2554570 (1951-05-01), Harvey
patent: 2912999 (1959-11-01), Kersh
patent: 3006363 (1961-10-01), Jackson et al.
patent: 3403696 (1968-10-01), Pynchon
patent: 4632151 (1986-12-01), Glover
patent: 5114047 (1992-05-01), Baron et al.

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