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:
Dec. 08, 2015
Filed:
Nov. 19, 2013
Applicant:
Oiles Corporation, Minato-ku, Tokyo, JP;
Inventors:
Assignee:
Oiles Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/32 (2006.01); F16J 15/06 (2006.01); F16J 15/10 (2006.01); F01N 13/16 (2010.01); F01N 13/18 (2010.01);
U.S. Cl.
CPC ...
F16J 15/062 (2013.01); F01N 13/16 (2013.01); F01N 13/1827 (2013.01); F16J 15/102 (2013.01); F16J 15/104 (2013.01);
Abstract
A spherical annular seal memberfor use in an exhaust pipe joint includes: a spherical annular base memberdefined by a cylindrical inner surface, a partially convex spherical surface, and large- and small-diameter side annular end facesandof the partially convex spherical surface; and an outer layerformed integrally on the partially convex spherical surfaceof the spherical annular base member