Spherical annular seal member and method of manufacturing the same

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United States of America Patent

PATENT NO 9182060
APP PUB NO 20150198276A1
SERIAL NO

14669186

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Abstract

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A spherical annular seal member 40 includes: a spherical annular base member 38 which is defined by a cylindrical inner surface 34 defining a through hole 33 in a central portion, a partially convex spherical surface 35, and annular end faces 36 and 37 on large- and small-diameter sides of the partially convex spherical surface 35; and an outer layer 39 formed integrally on the partially convex spherical surface 35 of the spherical annular base member 38.

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Patent Owner(s)

  • OILES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishida, Koichi Fujisawa, JP 97 837
Matsunaga, Satoshi Nakatsu, JP 73 627
Miyashita, Osamu Fujisawa, JP 34 1164
Satou, Eiji Fujisawa, JP 23 130
Takasago, Toshikazu Nakatsu, JP 4 10

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