Invention Grant
US08768227B2 Developing member including elastic member containing cured product of addition-curing silicone rubber mixture, processing cartridge including the developing member, and electrophotographic apparatus including the developing member
有权
显影构件包括含有加成固化硅橡胶混合物的固化产物的弹性构件，包括显影构件的处理盒和包括显影构件的电子照相设备
- Patent Title: Developing member including elastic member containing cured product of addition-curing silicone rubber mixture, processing cartridge including the developing member, and electrophotographic apparatus including the developing member
- Patent Title (中): 显影构件包括含有加成固化硅橡胶混合物的固化产物的弹性构件，包括显影构件的处理盒和包括显影构件的电子照相设备
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Application No.: US13770796Application Date: 2013-02-19
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Publication No.: US08768227B2Publication Date: 2014-07-01
- Inventor: Shohei Urushihara , Minoru Nakamura , Kunimasa Kawamura , Masaki Yamada , Takashi Kusaba
- Applicant: Canon Kabushiki Kaisha
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick, Cella, Harper and Scinto
- Priority: JP2012-196992 20120907
- Main IPC: G03G15/08
- IPC: G03G15/08
Abstract:
A developing roller includes: a mandrel; an elastic layer provided for an outer periphery of the mandrel, the elastic layer including an addition-curing silicone rubber; and a surface layer provided for an outer periphery of the elastic layer, in which: the elastic layer includes a compound represented by the following formula (1); when the content of such a compound that n in the formula (1) represents an integer of 3 to 12 in the elastic layer is represented by P1, and the content of such a compound that n in the formula (1) represents an integer of 13 to 20 in the elastic layer is represented by P2, P1+P2 is 5,000 ppm by mass to 12,000 ppm by mass; and P1 is 1,500 ppm by mass to 6,000 ppm by mass (In the formula (1), n represents an integer of 3 to 20):
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