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:
May. 31, 1988
Filed:
Jun. 10, 1987
Daisaku Kobayashi, Kashiwazaki, JP;
Tunesaku Itara, Kashiwazaki, JP;
Koichiro Kasahara, Kashiwazaki, JP;
Yutaka Momose, Anjyo, JP;
Tomokimi Mizuno, Chiryu, JP;
Kabushiki Kaisha Riken, Tokyo, JP;
Aisin Seiki Kabushiki Kaisha, Aichi, JP;
Abstract
A sealing ring assembly comprises a synthetic resin sealing ring body having two opposing stepped cut surface portions including respective planer portions in sliding contact with each other, a synthetic resin gas sealing ring in contact with the inner circumferential surface of the sealing ring body, and a metal ring in contact with the inner circumferential surface of the gas sealing ring. To prevent the stepped cut surface portions from sticking to each other at the planar portions thereof, a metal film layer is provided on a planar portion of one of the stepped cut surface portions.