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:
Mar. 31, 2015
Filed:
Nov. 10, 2004
Makoto Sanpei, Tottori, JP;
Motoyuki Sunaoka, Wako, JP;
Shinji Yamada, Wako, JP;
Nobuyoshi Takamatsu, Wako, JP;
Makoto Sanpei, Tottori, JP;
Motoyuki Sunaoka, Wako, JP;
Shinji Yamada, Wako, JP;
Nobuyoshi Takamatsu, Wako, JP;
NOK Corporation, Tokyo, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
A damper having an elastic body formed from a cross-linking product of an EPDM composition, which comprises (a) 100 parts by weight of at least one kind of EPDM, whose propylene content in sum total of ethylene and propylene in the copolymerization rubber is 35-50 wt. %, the EPDM having a Mooney viscosity (ML100) of not less than 40, (b) 5-50 parts by weight of α-olefin oligomer, which is a polymer of α-olefin represented by the general formula, CHCHR, where R is an alkyl group having 3-12 carbon atoms, with a number average molecular weight Mn of 300-1,400 and (c) 1-10 parts by weight of an organic peroxide cross-linking agent.