Pressure relief apparatus for sealed containers such as galvanic

Details Pressure relief apparatus for sealed containers such as galvanic Pressure relief apparatus for sealed containers such as galvanic

1980-06-30

1981-12-22

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

Blowout type

429185, H01M 212

Patent

active

043071589

ABSTRACT:
An improved pressure relief apparatus is disclosed for use with sealed containers such as those found in many galvanic cells. A specially shaped diaphragm (32, 34, 36, 38, 40) is situated across an opening (14) to the interior of the container (10), beneath a piercing point (48). When the pressure within the container reaches a preselected level, the diaphragm snaps rapidly outwardly into contact with the piercing point, thus causing itself to be pierced and relieving the accumulated pressure.

REFERENCES:
patent: 3062910 (1962-11-01), Schenk, Jr.
patent: 3214300 (1965-10-01), Nordvik
patent: 3262819 (1966-07-01), Belove
patent: 3279953 (1966-10-01), Bierdumpfel
patent: 3415690 (1968-12-01), Richman
patent: 3685686 (1972-08-01), Raidl
patent: 4073402 (1978-02-01), Wood
patent: 4207385 (1980-06-01), Hayama

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