Resealable vent valve for containers such as batteries

Details Resealable vent valve for containers such as batteries Resealable vent valve for containers such as batteries

1980-02-05

1981-06-02

LeFevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

Elastic, resilient or spring biasing valve means

H01M 212

Patent

active

042712416

ABSTRACT:
This invention pertains to a novel resealable pressure relief vent valve for use in normally sealed containers such as sealed electric batteries or cells wherein said vent valve includes an outer rigid plate, an inner flexible disc forming part of the interior of the container, said disc having one or more vent holes and a compressible rubber disc positioned in partially compressed condition between the outer rigid plate and inner flexible disc and situated over each of said vent holes whereby the inner flexible disc flexes upward breaking its seal over the said holes venting the interior of the container when excessive internal pressures occur.

REFERENCES:
patent: 3096216 (1963-07-01), Warren
patent: 3484301 (1969-12-01), Gray
patent: 3664878 (1972-05-01), Amthor

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