Galvanic cell having a resealable vent closure

Details Galvanic cell having a resealable vent closure Galvanic cell having a resealable vent closure

1995-09-11

1998-11-03

Gorgos, Kathryn L.

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

429 54, 429174, 429175, H01M 212, H01M 208

Patent

active

058305947

ABSTRACT:
A resealable vent closure for an electrochemical cell comprising a disk seal having a first upstanding wall to define an opening to accommodate a current collector rod of a cell and having vent grooves disposed in the first wall, and having a second upstanding peripheral wall with vent channels and said second wall being crimped between a cover for the cell and the top edge of a container containing the active components of the cell to thereby produce a sealed cell that is resealable.

REFERENCES:
patent: 3923548 (1975-12-01), Bell et al.
patent: 5455124 (1995-10-01), Schollenberger

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