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. 23, 2013
Filed:
Jan. 28, 2009
Toshiyuki Funayama, Osaka, JP;
Shigeru Shoji, Osaka, JP;
Toyofumi Otaka, Osaka, JP;
Daiso Co., Ltd., Osaka-shi, JP;
Abstract
Disclosed is a vulcanized rubber laminate in which both an unvulcanized epichlorohydrin-based rubber composition layer containing a specific polyfunctional (meth)acrylate compound and a specific vulcanizing agent and an unvulcanized fluororubber composition layer containing a specific vulcanizing agent are heated and bonded, whereby, both rubber layers are firmly bonded. A vulcanized rubber laminate in which (A) an unvulcanized epichlorohydrin-based rubber composition layer and (B) an unvulcanized fluororubber composition layer are heated and bonded, wherein the unvulcanized epichlorohydrin-based rubber composition (A) contains: (1) a polyfunctional (meth)acrylate compound having two or more (meth) acryloyl groups in the molecule, and (2) at least one kind selected from the group consisting of a triazine-based vulcanizing agent, a thiourea-based vulcanizing agent, a quinoxaline-based vulcanizing agent and a bisphenol-based vulcanizing agent, and the unvulcanized fluororubber composition (B) contains an organic peroxide-based vulcanizing agent.