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. 06, 2025
Filed:
Oct. 06, 2021
Applicant:
Nok Corporation, Tokyo, JP;
Inventor:
Kenichi Nakayama, Ibaraki, JP;
Assignee:
NOK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 15/10 (2005.12); F02M 55/00 (2005.12);
U.S. Cl.
CPC ...
F16J 15/102 (2012.12); F02M 55/005 (2012.12); F02M 2200/858 (2012.12);
Abstract
A sealing structure capable of providing consistent sealing performance for a prolonged time, and an assembling method of the sealing structure. An installation component is provided with an annular fitting groove in which a resin gasket is mounted. The fitting groove has a bottom with an annular projection including a tapered surface increasing in a diameter thereof from a pressure side to a non-pressure side, and a tapered surface decreasing in a diameter thereof from the pressure side to the non-pressure side. The tip of the annular projection is positioned closer to the pressure side than a center in a width direction of the fitting groove.