Dispensing valve for a flexible liquid container

Details Dispensing valve for a flexible liquid container Dispensing valve for a flexible liquid container

1996-03-01

1998-03-24

Shaver, Kevin P.

Dispensing

Slitted resilient diaphragm or nipple

137849, B65D 572

Patent

active

057303363

ABSTRACT:
A valve for a flexible liquid-container has a hollow cylindrical body including a bowl-shaped or trough-shaped diaphragm, circumferentially sealed to an inside wall of the tubular body. A convex side of the diaphragm faces an inlet side of the valve and a concave surface of the diaphragm faces an outlet side of the valve. The diaphragm has at least one slit extending therethrough. A cylindrical tube-spring of elliptical cross-section inserted into the tubular body exerts tension on the slit for holding the slit closed when the valve is not in use.

REFERENCES:
patent: 2219604 (1940-10-01), Trotter
patent: 2623663 (1952-12-01), Gassaway
patent: 3342318 (1967-09-01), Ruekberg et al.
patent: 3391830 (1968-07-01), Kitchens
patent: 4728006 (1988-03-01), Drobish et al.
patent: 4776495 (1988-10-01), Vignot
patent: 4852781 (1989-08-01), Shurnick et al.
patent: 4941598 (1990-07-01), Lambelet, Jr. et al.
patent: 4948023 (1990-08-01), Tripp
patent: 5085349 (1992-02-01), Fawcett
patent: 5271531 (1993-12-01), Rohr et al.
patent: 5390805 (1995-02-01), Bilani et al.

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