Invention Grant
- Patent Title: Charging member, manufacturing method therefor, and electrophotographic apparatus
- Patent Title (中): 充电构件及其制造方法和电子照相设备
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Application No.: US13695781Application Date: 2012-07-02
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Publication No.: US08923732B2Publication Date: 2014-12-30
- Inventor: Masaaki Harada , Hiroaki Watanabe , Keiji Nose
- Applicant: Masaaki Harada , Hiroaki Watanabe , Keiji Nose
- 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: JP2011-150160 20110706
- International Application: PCT/JP2012/004275 WO 20120702
- International Announcement: WO2013/005411 WO 20130110
- Main IPC: G03G15/02
- IPC: G03G15/02
Abstract:
Provided is a charging member capable of suppressing occurrence of compression set while having flexibility enough to ensure a nip with a photosensitive member. The charging member comprises a support and an elastic layer, wherein the elastic layer has an MD-1 hardness of from 55 to 85° at the surface thereof, and has a universal hardness of 2.0 to 20.0 N/mm2 at an indentation depth of 5 μm from the surface thereof.
Public/Granted literature
- US20140219681A1 CHARGING MEMBER, MANUFACTURING METHOD THEREFOR, AND ELECTROPHOTOGRAPHIC APPARATUS Public/Granted day:2014-08-07
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