Valved closure for a pressure vessel

Details Valved closure for a pressure vessel Valved closure for a pressure vessel

1978-09-11

1979-11-06

Hall, George T.

Receptacles

Closures

Removable closure guided in rotary movement

220206, 220DIG32, B65D 5116

Patent

active

041732928

ABSTRACT:
A valved closure for a pressure vessel having an upstanding filling neck with a side opening and a retaining flange, a cap-like adaptor in sealing engagement with the neck and removably retained in interfitting relation with the flange, and open insert in sealing relation within the adaptor and extending spacedly into the neck to sealingly engage the vessel top wall and combine with the neck to define an annular chamber, a rotary valve element seated on the insert and resiliently urged toward sealing engagement therewith, and one-way inlet and outlet valves for passing fluid at predetermined pressures in one direction from the vessel outwardly through the neck side passageway and in the other direction through the neck side passageway into the vessel.

REFERENCES:
patent: 3186580 (1965-06-01), Previte
patent: 3373894 (1968-03-01), Johnson
patent: 3434621 (1969-03-01), Previte
patent: 3587912 (1969-04-01), Ohta
patent: 3878965 (1975-04-01), Crute

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