Pressure cooker having safety opening means

Details Pressure cooker having safety opening means Pressure cooker having safety opening means

1982-04-05

1983-08-02

Hall, George T.

Receptacles

Closures

Having means for securing or retaining closure in its closed...

B65D 4500

Patent

active

043961304

ABSTRACT:
The body member and cover member of a pressure cooker are adapted to be held together by means of inter-engageable pairs of lugs arranged on each member. One or more selected pairs of lugs are constructed so that a shoulder on a first lug or lugs can interact with either of two linearly arranged projections carried by a second lug or lugs. The interaction of the selected pair of lugs produces two locking positions of the body and cover. The pressure cooker preferably incorporates a further safety mechanism, such as a gasket off-set device which prevents pressurization of the vessel if there is only partial overlap of the body and cover lugs.

REFERENCES:
patent: 2627997 (1953-02-01), Wittenberg
patent: 4162741 (1979-07-01), Walker et al.
patent: 4251007 (1981-02-01), Behnisch

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