发明名称 CHARGING ROLL FOR ELECTROPHOTOGRAPHIC APPARATUS
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a charging roll with which occurrence of an image streak on a mark of contact with the charging roll is prevented when used in a direct current charge type electrophotographic apparatus, and with which toner consumption is not increased when used in high temperature and humidity environment. <P>SOLUTION: The charging roll 1 for the electrophotographic apparatus includes a conductive elastic layer 3, a softener migration preventing layer 4, a resistance adjusting layer 5, and a protective layer 6 along an outer circumference of a shaft 2. The protective layer 6 is constructed by dispersing resin particles composed of a resin of the kind identical to the kind of a matrix resin in the matrix resin. <P>COPYRIGHT: (C)2010,JPO&INPIT</p>
申请公布号 JP2009222889(A) 申请公布日期 2009.10.01
申请号 JP20080065869 申请日期 2008.03.14
申请人 TOKAI RUBBER IND LTD 发明人 IMAMURA WATARU;ISHIDA MASANORI;TSUCHIYA KENICHI
分类号 G03G15/02;C08L77/00;F16C13/00 主分类号 G03G15/02
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