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:
Oct. 18, 2016
Filed:
Apr. 06, 2015
Sumitomo Riko Company Limited, Aichi-ken, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi-ken, JP;
Hideya Kadono, Aichi-ken, JP;
Hiroki Itakura, Aichi-ken, JP;
Kenji Sato, Aichi-ken, JP;
Takuya Kurihara, Aichi-ken, JP;
Hideaki Tanahashi, Aichi-ken, JP;
SUMITOMO RIKO COMPANY LIMITED, Aichi-Ken, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-Ken, JP;
Abstract
A rubber gasket for a fuel cell is interposed between a first member and a second member stacked in the fuel cell. The fuel cell includes: a seat portion arranged on a surface of the first member; and a lip portion that includes a first hill portion projecting from the seat portion toward the second member and having a curved surface with a first curvature radius and a second hill portion projecting from the first hill portion toward the second member and having a curved surface with a second curvature radius smaller than the first curvature radius, and that makes elastic contact with the second member. The seat portion includes a planar inclined surface inclined with respect to the surface direction at a connecting portion leading to a bottom of the first hill portion.