发明名称 |
Charging roller, process cartridge and electrophotographic apparatus |
摘要 |
A charging roller for a contact charging assembly is provided including a conductive substrate, an elastic layer which covers the periphery of the conductive substrate, and a seamless tube externally so fitted as to cover the periphery of the elastic layer. The seamless tube constitutes a surface layer of the charging roller, and the charging roller has a surface of 3.0 mum or less in ten-point average roughness (Rz jis 94) and 0.10 mm or less in roughness curve average length (RSm).
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申请公布号 |
US2004197115(A1) |
申请公布日期 |
2004.10.07 |
申请号 |
US20040808479 |
申请日期 |
2004.03.25 |
申请人 |
CANON KASEI KABUSHIKI KAISHA |
发明人 |
ABE HIROSHI;TAKAHASHI HIROBUMI |
分类号 |
G03G15/02;(IPC1-7):G03G15/02 |
主分类号 |
G03G15/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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