Shell member for accumulator, method of producing the same, accumulator, and method of producing the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12018704
APP PUB NO 20210048042A1
SERIAL NO

16982250

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A shell member 10 constituting an accumulator 100 including a cover member 30, a shell member 10 having a cylindrical portion 11, an opening portion 13 formed at one end of the cylindrical portion 11 and welded to the cover member 30, and a closed portion 12 formed at another end of the cylindrical portion 11, and an accumulation part 70 accommodated in the shell member 10. The cylindrical portion 11 includes an upper end portion 11a, and a protruding portion 11c having the opening portion 13. The protruding portion 11c is thicker than the upper end portion 11a.

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Patent Owner(s)

Patent OwnerAddress
NHK SPRING CO LTDYOKOHAMA-SHI KANAGAWA 236-0004

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mizukami, Hiroshi Yokohama, JP 74 688
Nakano, Naohito Yokohama, JP 2 0
Yanagida, Mieko Yokohama, JP 3 0

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