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. 22, 2016
Filed:
Jul. 25, 2013
Applicant:
Nok Corporation, Tokyo, JP;
Inventor:
Nobuyuki Eguchi, Kitaibaraki, JP;
Assignee:
NOK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/02 (2006.01); B23P 11/02 (2006.01); F16J 15/34 (2006.01); F16J 15/32 (2006.01); F16J 15/44 (2006.01);
U.S. Cl.
CPC ...
F16J 15/3488 (2013.01); F16J 15/3272 (2013.01); F16J 15/441 (2013.01); Y10T 29/49863 (2015.01);
Abstract
Sandwiching of a foreign matter between a seal ring and a housing is suppressed, and abrasion of the housing and the seal ring is suppressed. The size of the diameter of a second seal portionis set to be larger than the size dof the diameter of an inner peripheral faceso that the difference in diameter size between the second seal portionand an inner peripheral faceof a housingbecomes 1.0 mm or less in a state before the ring body is provided in the annular gap.