Pressure cooker for microwave ovens

Details Pressure cooker for microwave ovens Pressure cooker for microwave ovens

1987-02-19

1989-01-10

Little, Willis

Receptacles

Closures

With condition responsive vent or valve

220209, 220204, 220319, 99330, B60L 102, B65D 5116

Patent

active

047967765

ABSTRACT:
A pressure cooker for use in microwave ovens includes a microwave permeable bowl shaped container, a microwave permeable dome cover, and a steel locking ring permanently attached to the cover for maintaining the container and cover in fluid-tight seal during use. A safety valve, formed of flexible tubing, encounters a projection of the container and is deformed into a closed configuration responsive to movement of the cover, relative to the container, toward a locking position. A pressure regulator valve, consisting of a metal core surrounded by an elastically deformable casing, is positioned over a pressure control opening in the cover to maintain a selected operating pressure level in the pressure cooker. A pressure indicator and relief assembly, contained in a pressure release opening through the cover, indicates positive pressure in the chamber and is ejected in the event of an abnormally high pressure inside the housing.

REFERENCES:
patent: 2086044 (1937-07-01), Nelson
patent: 2200903 (1940-05-01), Stephens
patent: 2552642 (1951-05-01), Morrison, Jr.
patent: 3055536 (1962-09-01), Dieny
patent: 4024982 (1977-05-01), Schultz
patent: 4592479 (1986-06-01), Resende

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