Plastic case for flat rechargeable cell

Details Plastic case for flat rechargeable cell Plastic case for flat rechargeable cell

1975-05-30

1977-02-08

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

429 82, H01M 202

Patent

active

040070603

ABSTRACT:
A flat, sealed case for a secondary cell includes a flat shallow plastic base and a thin, flat plastic cover the periphery of which is sealed to the base and includes at least one internal restraint to prevent bulging of the flat cover and base upon a build-up of internal pressure within the cell case, for example during recharging.

REFERENCES:
patent: 2654794 (1953-10-01), Zaugg
patent: 3234107 (1966-02-01), Kaufman et al.
patent: 3307077 (1967-02-01), Bernstein
patent: 3655452 (1972-04-01), Cich
patent: 3801373 (1974-04-01), Spellman
patent: 3887394 (1975-06-01), Kaye

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