Pressure regulating system for use in pressure cookers and press

Details Pressure regulating system for use in pressure cookers and press Pressure regulating system for use in pressure cookers and press

1990-05-22

1991-04-30

Marcus, Stephen

Receptacles

Closures

With condition responsive vent or valve

B65D 5116

Patent

active

050110357

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 is 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 is larger in diameter than the said bore or mouth of the vent tube on which the said pin of the vent weight seats. The bore or passage of the vent tube opens into a frusto conical section whose lower end has a diameter larger than that of its upper end. A hollow holding nut is secured to the bottom of the vent tube and said nut includes a chamber having a planar surface and a plurality of holes for entry of steam.

REFERENCES:
patent: 2463516 (1949-03-01), Burkhardt
patent: 2619982 (1952-12-01), Turner
patent: 2712829 (1955-07-01), Whitaker
patent: 2860811 (1958-11-01), Hessler
patent: 3949781 (1976-04-01), Scalabrin
patent: 4143787 (1979-03-01), Walker
patent: 4160462 (1979-07-01), Rossi-Ashton
patent: 4165816 (1979-08-01), Tupper
patent: 4466550 (1984-08-01), Sullivan
patent: 4534485 (1985-08-01), Subramanian
patent: 4560143 (1985-12-01), Robinson
patent: 4741325 (1988-05-01), Anota

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