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. 03, 2013
Filed:
Apr. 03, 2012
Masaki Yamada, Mishima, JP;
Takashi Kusaba, Suntou-gun, JP;
Kunimasa Kawamura, Mishima, JP;
Yuji Sakurai, Susono, JP;
Toru Ishii, Numazu, JP;
Masaki Yamada, Mishima, JP;
Takashi Kusaba, Suntou-gun, JP;
Kunimasa Kawamura, Mishima, JP;
Yuji Sakurai, Susono, JP;
Toru Ishii, Numazu, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A developing roller including a mandrel, an elastic layer provided on the mandrel and containing a cured material of an addition curable-type dimethyl silicone rubber, and a surface layer containing a urethane resin that covers the circumferential surface of the elastic layer. The urethane resin has a structure represented by the following formula (1), and one or both structures selected from a structure represented by the following formula (2) and a structure represented by the following formula (3) between two adjacent urethane linkages.