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:
Mar. 19, 1996
Filed:
Jun. 06, 1995
Takashi Maeda, Fujisawa, JP;
Shuichi Kubota, Yokohama, JP;
Takeshi Furukido, Yamato, JP;
Toshiyuki Nishio, Yamato, JP;
Oiles Corporation, Tokyo, JP;
Abstract
A spherical annular seal having a through hole in a center thereof and a partially convex spherical surface portion on an outer surface thereof, wherein a surface of the partially convex spherical surface portion is formed into a smooth surface in which a lubricating sliding layer of a lubricating composition containing 70 to 90 wt. % of boron nitride and 10 to 30 wt. % of alumina and/or silica and a reinforcing material constituted by a metal wire net covering the lubricating sliding layer and integrated with the lubricating sliding layer are integrated in mixed form.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile