Pressure cookers having vent means

Details Pressure cookers having vent means Pressure cookers having vent means

1984-09-24

1985-08-13

Hall, George T.

Receptacles

Closures

With condition responsive vent or valve

B65D 5116

Patent

active

045344850

ABSTRACT:
In and for a pressure cooker having an open mouth vessel and a lid which can be sealingly fitted to the mouth of the vessel, a pressure regulating valve fitted to the lid of the vessel comprises a vent tube and a vent weight which vent weight is adapted to be seated over the mouth of the vent tube, said vent tube having a downwardly extending pin to slide into a bore of the head of the vent tube, the vent weight having one or more openings for the escape of the steam when the vent weight is lifted, the vent weight being held by a fulcrumed lever having a passage exposed at one end to the atmosphere and at the other end cooperating with the said openings of the vent weight, the bore or passage of the vent tube being larger in diameter than the said bore or mouth of the vent tube on which the said pin of the vent weight seats, the said pressure regulating valve capable of being manually and automatically operated.

REFERENCES:
patent: 3949781 (1976-04-01), Scalabrin
patent: 4160462 (1979-07-01), Ressi-Ashton
patent: 4251007 (1981-02-01), Behnisch
patent: 4330069 (1982-05-01), Bauer

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