Battery case

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9716260
APP PUB NO 20160028057A1
SERIAL NO

14783044

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A battery case provided with a safety valve (4) in which a breakage groove (45) is used, wherein in order to stabilize the operation pressure, a lid (2) of the battery case has formed thereon: a thin plate portion (30) obtained by thinning a plate part (3); and a first recessed part (40) comprising a curved part (44) in which the thin plate portion (30) is indented inward, with respect to the case, in a curved shape. The breakage groove (45) for the safety valve (4) is formed at the bottom part (440) of the curved part (44). A first connecting portion (46) and a second connecting portion (47) of the plate part (3), which connect to the curved part (44) on both sides flanking the curved part (44), are at positions protruding toward the outside of the case from the plate part (3).

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First Claim

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Patent Owner(s)

Patent OwnerAddress
NIPPON LIGHT METAL COMPANY LTD2-20 HIGASHI-SHINAGAWA 2-CHOME SHINAGAWA-KU TOKYO 140-8628
NIKKEIKIN ALUMINIUM CORE TECHNOLOGY COMPANY LTD1-13 SHIMBASHI 1-CHOME MINATO-KU TOKYO 105-0004
SOODE NAGANO CO LTD5-21 OSACHIKATAMA-CHO 2-CHOME OKAYA-SHI NAGANO 394-0084

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kanamori, Keiji Tokyo, JP 18 42
Moriyama, Yoshihiko Tokyo, JP 18 373
Nomura, Shinichi Tokyo, JP 37 496
Sode, Takayuki Nagano, JP 11 44
Sugiyama, Yukinori Nagano, JP 12 77

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