Metal gasket

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9284913
APP PUB NO 20140097576A1
SERIAL NO

14122076

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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There is provided a metal gasket that is at low cost yet with high sealing performance. A metal gasket 1 includes at least one metal gasket substrate 2 having a circumferential bead 14 formed circumferentially around a cylinder hole 6. The circumferential bead 14 includes a first bead portion 20 formed of a pair of inclined walls 20a, 20b each extending from the gasket substrate to a tip end, the tip ends of the pair of the inclined walls being spaced from each other, and a second bead portion 21 extending from the tip ends of the inclined walls 20a, 20b in a direction opposite to the protruding direction of the inclined walls. The following relationships are satisfied: Fh1>Fh2, and W1>W2, where Fh1 is a height of the first bead portion 20, Fh2 is a height of the second bead portion 21, W1 is a half of a width of the circumferential bead 14, and W2 is a width of the second bead portion 21.

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Patent Owner(s)

Patent OwnerAddress
NIPPON LEAKLESS INDUSTRY CO LTDTOKYO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirayama, Shinichi Saitama, JP 7 71
Ito, Akihiro Saitama, JP 139 1028
Matsumoto, Yosuke Saitama, JP 29 88
Sueyoshi, Akinori Saitama, JP 2 4

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