发明公开
- 专利标题： A magnet compound material to be compression molded, a molded elongate magnetic, a magnet roller, a developing agent-carrying body, a developing apparatus and an image-forming apparatus
- 专利标题（中）： 磁性复合材料成型，模塑伸长磁体，磁辊体显影剂，显影剂单元和成像设备
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申请号： EP06015977.9申请日： 2006-08-01
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公开(公告)号： EP1750181A1公开(公告)日： 2007-02-07
- 发明人: Terashima, Satoshi , Kamoi, Sumio , Takano, Yoshiyuki , Imamura, Tsuyoshi , Koetsuka, Kyohta , Kamiya, Noriyuki , Terashima, Mieko
- 申请人： Ricoh Company, Ltd.
- 申请人地址： 3-6, Nakamagome 1-chome, Ohta-ku Tokyo 143-8555 JP
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： 3-6, Nakamagome 1-chome, Ohta-ku Tokyo 143-8555 JP
- 代理机构： Schwabe - Sandmair - Marx
- 优先权： JP2005224558 20050802
- 主分类号： G03G15/09
- IPC分类号： G03G15/09
摘要：
A magnet compound material (3) to be compression molded, said magnet compound material comprising a magnetic powder (1) and a binder resin particles (2), wherein a ratio of Dv to Dn is in a range of 1.1 to 1.3, Dv and Dn of the binder resin particles (2) denote the volume average particle diameter and the number average particle diameter, respectively.
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