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:
Sep. 20, 2011
Filed:
Oct. 16, 2009
Conductive roller which is mounted on an image-forming mechanism of an electrophotographic apparatus
Yoshihisa Mizumoto, Hyogo, JP;
Masakazu Tanaka, Hyogo, JP;
Takashi Marui, Hyogo, JP;
Hideyuki Okuyama, Hyogo, JP;
Noriaki Hitomi, Hyogo, JP;
Yoshihisa Mizumoto, Hyogo, JP;
Masakazu Tanaka, Hyogo, JP;
Takashi Marui, Hyogo, JP;
Hideyuki Okuyama, Hyogo, JP;
Noriaki Hitomi, Hyogo, JP;
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Abstract
The present invention provides a conductive roller whose outermost layer is made of a vulcanized rubber composition. The vulcanized rubber composition contains epichlorohydrin rubber and chloroprene rubber as a rubber component thereof and 0.2 to 5 parts by mass of each of a thiourea-based vulcanizing agent and a vulcanization retarder consisting of N-(cyclohexylthio)phthalimide for 100 parts by mass of the rubber component.