The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 10, 2015
Filed:
Mar. 26, 2015
Applicant:
Oiles Corporation, Minato-ku, Tokyo, JP;
Inventors:
Osamu Miyashita, Fujisawa, JP;
Eiji Satou, Fujisawa, JP;
Koichi Ishida, Fujisawa, JP;
Toshikazu Takasago, Nakatsu, JP;
Satoshi Matsunaga, Nakatsu, JP;
Assignee:
OILES CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/32 (2006.01); F16L 23/22 (2006.01); F01N 13/18 (2010.01); F16L 27/073 (2006.01); F16J 15/08 (2006.01); F16L 27/053 (2006.01); F16J 15/06 (2006.01); B21J 3/00 (2006.01); B21J 5/06 (2006.01); C10M 111/04 (2006.01);
U.S. Cl.
CPC ...
F16L 23/22 (2013.01); B21J 3/00 (2013.01); B21J 5/06 (2013.01); C10M 111/04 (2013.01); F01N 13/1827 (2013.01); F16J 15/062 (2013.01); F16J 15/064 (2013.01); F16J 15/0812 (2013.01); F16L 27/053 (2013.01); F16L 27/073 (2013.01); Y10T 29/49885 (2015.01);
Abstract
A spherical annular seal memberincludes: a spherical annular base memberwhich is defined by a cylindrical inner surfacedefining a through holein a central portion, a partially convex spherical surface, and annular end facesandon large- and small-diameter sides of the partially convex spherical surface; and an outer layerformed integrally on the partially convex spherical surfaceof the spherical annular base member