Chemistry: electrical current producing apparatus – product – and – Means externally releasing internal gas pressure from closed... – Elastic – resilient or spring biasing valve means
Patent
1975-05-30
1976-09-14
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
429 55, 429 82, H01M 202, H01M 212
Patent
active
039805000
ABSTRACT:
A resealable vent for a secondary cell having a flat plastic case including a resilient ball seated in an apertured passage with a predetermined amount of compression and adapted to unblock an opening in the passage and vent gaseous material upon an excessive build-up of internal pressure within the cell case, for example, during recharging at an accelerated rate.
REFERENCES:
patent: 3648337 (1972-03-01), Greskamp
patent: 3660169 (1972-05-01), Clune
patent: 3661650 (1972-05-01), Flyn
patent: 3887394 (1975-06-01), Kaye
Erickson Richard Allan
Sorenson Dennis Dean
Gould Inc.
Walton Donald L.
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