Squeeze valve with augmented sealing

Details Squeeze valve with augmented sealing Squeeze valve with augmented sealing

1993-05-03

1993-11-30

Walton, George L.

Valves and valve actuation

Valve actuator is valve casing or extension thereof

Jointed or flexible wall

251 7, 251348, 222513, 222529, 222547, B65D 9056, F16K 1300

Patent

active

052658473

ABSTRACT:
A self closing squeeze valve comprising a resilient and deformable valve body having a cavity into which a wafer made of closed cell foam with a smooth surface is permanently inserted, causing a normal state of blockage and seal. Lips are provided across the opposing broad surfaces of the cavity, aligned normal to the direction of flow through the valve, to augment sealing by the wafer. Manual pressure on the valve body causes both components to deform to form a passage allowing flow through the valve.

REFERENCES:
patent: 274447 (1883-03-01), Kennish
patent: 2518165 (1950-08-01), Millard
patent: 2674064 (1954-04-01), Gassaway
patent: 2755060 (1956-07-01), Twyman
patent: 3512748 (1970-05-01), Wilson
patent: 4142645 (1979-03-01), Walton
patent: 4690375 (1987-09-01), Vorhis
patent: 4913401 (1990-04-01), Handke
patent: 4968294 (1990-11-01), Salama

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