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:
Jul. 27, 2010
Filed:
Apr. 13, 2006
Kiyohiro Suzuki, Tsukuba, JP;
Manshu Kameike, Tsukuba, JP;
Shuji Yoshitsune, Nihonmatsu, JP;
Takashi Nakao, Nihonmatsu, JP;
Kiyohiro Suzuki, Tsukuba, JP;
Manshu Kameike, Tsukuba, JP;
Shuji Yoshitsune, Nihonmatsu, JP;
Takashi Nakao, Nihonmatsu, JP;
NOK Corporation, Tokyo, JP;
Abstract
A gasket in an integrated double-layered structure comprising an outer layer and an inner layer enclosed by the outer layer, in which the outer layer is a low-hardness rubber layer having a JIS A hardness of 40-70, and the inner layer is a high-hardness rubber layer having a JIS A hardness of 80-100, where a ratio h/hof height h of the inner layer to height hof the outer layer is preferably 0.3-0.8, and ratio d/dof height d of the inner layer to width dof the outer layer is preferably 0.5-0.8 in the longitudal cross-section as view from the width direction of the gasket, has a low reaction force, and distinguished sealability and insertibility, and used as inserted between two members, one of which has a groove for insertion.