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:
Dec. 18, 2007
Filed:
Jul. 28, 2004
Toru Segawa, Shizuoka, JP;
Atsushi Omura, Shizuoka, JP;
Katsuya Kusuno, Shizuoka, JP;
Tetsuo Ohinata, Shizuoka, JP;
Chisato Kato, Aichi-ken, JP;
Toshiyuki Suzuki, Aichi-ken, JP;
Naohiro Takeshita, Aichi-ken, JP;
Yasuyuki Asai, Aichi-ken, JP;
Toru Segawa, Shizuoka, JP;
Atsushi Omura, Shizuoka, JP;
Katsuya Kusuno, Shizuoka, JP;
Tetsuo Ohinata, Shizuoka, JP;
Chisato Kato, Aichi-ken, JP;
Toshiyuki Suzuki, Aichi-ken, JP;
Naohiro Takeshita, Aichi-ken, JP;
Yasuyuki Asai, Aichi-ken, JP;
Nichias Corporation, Tokyo, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
A rubber gasket to be disposed in a compressed state between separators of a fuel cell includes a sealing portion having a sectional shape of a two-projection structure with a first projection having a curved slope of a first curvature radius (D), and a second projection provided on the first projection and having a second curvature radius (H). A pedestal portion extends in a horizontal direction with a predetermined thickness continuously from a foot portion of the curved slope of the first projection and has a flat bottom surface.