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:
Apr. 25, 2017
Filed:
Dec. 18, 2012
Oiles Corporation, Minato-ku, Tokyo, JP;
Kouhei Kurose, Fujisawa, JP;
Eiji Satou, Fujisawa, JP;
Yoshifumi Asano, Fujisawa, JP;
Ryota Koibuchi, Fujisawa, JP;
OILES CORPORATION, Tokyo, JP;
Abstract
In an exhaust pipe spherical joint X, a spherical annular seal memberis fitted and fixed to a pipe end portion, the spherical annular seal memberis seated by abutting against a flange, a flared portionformed of an Fe—Cr base stainless steel and containing 17.00 to 19.00% by mass of Cr is secured to a downstream-side exhaust pipe, and an inner surfaceof a concave spherical surface portionis brought into slidable contact with a composite surfacein which a surfaceconstituted by a reinforcing memberand a surfaceconstituted by a solid lubricant are present in mixed form in an outer surfaceof an outer layerof the spherical annular seal member