Hermetically sealed galvanic cell having safety vent constructio

Details Hermetically sealed galvanic cell having safety vent constructio Hermetically sealed galvanic cell having safety vent constructio

1984-03-30

1984-12-04

LeFevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

Blowout type

429 82, 429 89, 429174, 429181, 429185, 429196, H01M 212

Patent

active

044865147

ABSTRACT:
An hermetically sealed galvanic cell having a safety vent assembly comprising a housing having a portion which is inwardly depressed and flexible, which portion surrounds an aperture. The aperture is filled with a layer of glass or ceramic material thus producing an hermetically sealed cell which exhibits increased mechanical strength coupled with reliable venting.

REFERENCES:
patent: 4115629 (1978-09-01), Dey et al.
patent: 4127702 (1978-11-01), Catanzarite
patent: 4233372 (1980-11-01), Bro et al.
patent: 4437231 (1984-03-01), Zupanui

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