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. 20, 2025
Filed:
Aug. 09, 2023
Nok Corporation, Tokyo, JP;
Hikaru Tadano, Shizuoka, JP;
Tokunori Yanagi, Shizuoka, JP;
Hiroshi Suzuki, Shizuoka, JP;
Koichi Yoshimura, Shizuoka, JP;
NOK CORPORATION, Tokyo, JP;
Abstract
Provided are a sealing device that can be easily manufactured and achieve a reduction in friction and a method for manufacturing the sealing device. A sealing device is provided between a housing in which a plurality of opening portions are formed in a tubular inner peripheral surface and a rotor that is disposed in the housing and switches a flow path by rotating relative to the housing. The sealing device includes a sealing device main body that is disposed along the inner peripheral surface and includes a sliding member provided on an inner surface or an outer surface. The sealing device main body has a plurality of through-holes that communicate with each of the plurality of openings, and the sealing device main body is a strip plate-shaped member with a flat plate shape that is bent and deformed.