Seal closure for a galvanic cell

Details Seal closure for a galvanic cell Seal closure for a galvanic cell

1977-12-23

1979-03-27

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

Elastic, resilient or spring biasing valve means

429172, H01M 212, H01M 204

Patent

active

041466810

ABSTRACT:
An improved seal closure for the open end of a cell comprising a cover including an annular depending flange which has a circumferential notch for engaging the inwardly turned peripheral edge of the cell, an annular recess located in the cover and extending below the level of the notch and a locking collar for insertion within the recess.

REFERENCES:
patent: 3740271 (1973-06-01), Jammet et al.
patent: 3802923 (1974-04-01), Spanur

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