Battery and method of assembling battery

Details Battery and method of assembling battery Battery and method of assembling battery

2007-01-22

2010-02-02

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

C429S056000

Reexamination Certificate

active

07655347

ABSTRACT:
A battery includes a casing made of metal; and a safety valve made of a thin plate. The casing includes a vent hole that provides communication between the inside of the battery and the outside of the battery. A seal member made of synthetic resin is provided between the peripheral edge portion around the vent hole and the peripheral edge portion of the safety valve. The seal member connects the peripheral edge portion around the vent hole to the peripheral edge portion of the safety valve such that the peripheral edge portion around the vent hole does not contact the peripheral edge portion of the safety valve.

REFERENCES:
patent: 6634649 (2003-10-01), Yamaguchi et al.
patent: 2003/0017393 (2003-01-01), Nemoto et al.
patent: 2006/0105228 (2006-05-01), Kim et al.
patent: 2006/0275657 (2006-12-01), Kozuki et al.
patent: 09-293490 (1997-11-01), None
patent: 10-106524 (1998-04-01), None
Chinese Office Action dated Jun. 6, 2008.

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