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. 08, 2005
Filed:
Apr. 27, 2001
Applicant:
Tadashi Abiko, Nihonmatsu, JP;
Inventor:
Tadashi Abiko, Nihonmatsu, JP;
Assignee:
NOK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F005/00 ; F16J009/00 ;
U.S. Cl.
CPC ...
Abstract
A seal ring is provided, which is capable of maintaining a stable sealing performance for a long period, in which a cut portion is provided at one position in a circumferential direction of a seal ring, a convex portion is provided at a first cut end portion, a recess portion is provided at a second cut end portion, and the end portions of a third surface and a sixteenth surface extending in the circumferential direction among the convex portion and recess portion correspond to a portion of a second seal portion for sealing a side wall surface of an annular groove.