Electrochemical cell having a safety vent closure

Details Electrochemical cell having a safety vent closure Electrochemical cell having a safety vent closure

1990-04-23

1991-05-14

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

Blowout type

429 82, 429174, H01M 212

Patent

active

050155423

ABSTRACT:
A non-resealable vent closure for a galvanic cell, such as a nonaqueous cell, which comprises a seal member force-fitted with a bushing having an upper portion terminating with a thinner walled lower portion and wherein said seal member is force-fitted within the lower portion of the bushing and the bushing is seated within and seals the vent orifice in the housing of the cell.

REFERENCES:
patent: 4237593 (1980-12-01), Wolf
patent: 4296186 (1981-10-01), Wolf
patent: 4329405 (1982-05-01), Zupancic
patent: 4338382 (1982-07-01), Fritts
patent: 4397919 (1983-08-01), Ballard
patent: 4437231 (1984-03-01), Zupancic
patent: 4529673 (1985-07-01), Zupancic
patent: 4592970 (1986-06-01), Zupancic
patent: 4855195 (1989-08-01), Georgopoulos
patent: 4931368 (1990-06-01), Ayers et al.

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