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U.S. Department of Energy
Office of Scientific and Technical Information

Resealable vent valve for containers such as batteries

Patent ·
OSTI ID:6131218
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.
Assignee:
General Electric Co
Patent Number(s):
US 4271241
OSTI ID:
6131218
Country of Publication:
United States
Language:
English