发明名称 Electrophotographic cleaning blade, process for producing electrophotographic cleaning blade, and electrophotographic apparatus
摘要 An electrophotographic cleaning blade is provided which is free of blade turning-up coming from both end portions of the blade in its lengthwise direction. The cleaning blade having a blade formed of a polyurethane resin, which is to come into touch with the surface of a photosensitive drum of an electrophotographic apparatus to remove a toner remaining thereon, and a support member which holds the blade. The blade has a polyurethane resin portion having a dynamic hardness of 0.05 mN/μm2 or more and 0.16 mN/μm2 or less and a high-hardness portion having a dynamic hardness 1.3 times or more and 30 times or less the dynamic hardness of the polyurethane resin portion, provided at each end portion of the blade in its lengthwise direction at its part coming into touch with the photosensitive drum.
申请公布号 US7778585(B2) 申请公布日期 2010.08.17
申请号 US20080181445 申请日期 2008.07.29
申请人 CANON KASEI KABUSHIKI KAISHA 发明人 UCHIDA TOSHIRO;INOUE SHOJI;HATANAKA TAKU
分类号 G03G21/00 主分类号 G03G21/00
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