Resealable vent valve for containers such as batteries
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United States of America Patent
Stats
-
Jun 2, 1981
Grant Date -
N/A
app pub date -
Feb 5, 1980
filing date -
Feb 5, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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