Method of making a galvanic cell having a resealable vent closur

Details Method of making a galvanic cell having a resealable vent closur Method of making a galvanic cell having a resealable vent closur

1977-01-28

1977-12-20

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

H01M 208

Patent

active

040639029

ABSTRACT:
A galvanic cell, and a method for making it, having a resealable vent closure consisting of a resilient elastomeric sponge gasket disposed and compressed between the cover of the cell and the upper wall of the cell's container and designed such that gas buildup within the cell in the range of about 5 to 75 psi will vent along the cover-gasket interface and/or container-gasket interface.

REFERENCES:
patent: 2060799 (1936-11-01), Drummond
patent: 2447493 (1948-08-01), Daniel
patent: 2643278 (1953-06-01), Simpson
patent: 2729693 (1956-01-01), Waber
patent: 3664878 (1972-05-01), Amthor
patent: 3802923 (1974-04-01), Spanur
patent: 3923548 (1975-12-01), Bell et al.

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