Galvanic cell having a high pressure vent closure

Details Galvanic cell having a high pressure vent closure Galvanic cell having a high pressure vent closure

1977-03-30

1978-03-14

Mack, John H.

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

Elastic, resilient or spring biasing valve means

429 82, 429173, 429185, H01M 212

Patent

active

040791726

ABSTRACT:
Sealed galvanic dry cells having at least one gas venting passage disposed at the interface of the top surface of the cover and the curled over rim of the container. The passage is defined as being a recess in the cover disposed below the curled over rim and/or a notch in a portion of the curled over rim.

REFERENCES:
patent: 1941725 (1934-01-01), Tyzzer
patent: 3068313 (1962-12-01), Daley
patent: 3237060 (1966-02-01), Ross
patent: 3398026 (1968-08-01), Andre
patent: 3802923 (1974-04-01), Spanur

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