Pressure cooker interlock

Details Pressure cooker interlock Pressure cooker interlock

1989-08-23

1990-06-12

Sewell, Paul T.

Receptacles

Closures

With condition responsive vent or valve

220298, 220318, 99403, B65D 4500

Patent

active

049325507

ABSTRACT:
A interlock structure for use with a pressure cooker is disclosed. The interlock prevents the pressurization of the vessel if the lid is not securely attached to the pressure cooker body. The interlock also prevents the removal of the lid until the pressure within the vessel has dropped below a preset maximum.

REFERENCES:
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patent: 2566008 (1951-08-01), Westby
patent: 2584759 (1952-02-01), Swenson
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patent: 3645418 (1972-02-01), Oberlander
patent: 3973694 (1976-08-01), Tess
patent: 4103801 (1978-08-01), Walker
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patent: 4251007 (1981-02-01), Behnisch
patent: 4396130 (1983-08-01), Robinson
patent: 4423825 (1984-01-01), Baumgarten
patent: 4512495 (1985-04-01), Bauer et al.
patent: 4541543 (1985-09-01), Elexpuru
patent: 4620643 (1986-11-01), Sebillotte
patent: 4717041 (1988-01-01), Elexpuru

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