公开(公告)号：US5903802A

公开(公告)日：1999-05-11

申请号：US794768

申请日：1997-02-03

申请人： Akira Watanabe ,  Toru Obuchi ,  Masahiro Itoh ,  Takeo Tsunemi ,  Takeshi Menjo ,  Yasuo Nami ,  Kazuo Kishino ,  Hideo Kawamoto ,  Jiro Ishizuka

发明人： Akira Watanabe ,  Toru Obuchi ,  Masahiro Itoh ,  Takeo Tsunemi ,  Takeshi Menjo ,  Yasuo Nami ,  Kazuo Kishino ,  Hideo Kawamoto ,  Jiro Ishizuka

IPC分类号： G03G15/16 ,  G03G15/20 ,  G03G21/00

CPC分类号： G03G15/1655 ,  G03G2215/00586 ,  G03G2215/0177

摘要： An image forming apparatus, such as a copying machine, has a fixing device for fixing a developer image transferred to a transfer medium, such as paper, with a fixing roller whose surface is coated with a release agent, such as oil, and includes at least one feed passage member for conveying, while contacting, a transfer medium to a transfer region of the apparatus. The feed passage member has a release agent absorbing layer on the surface thereof, and is thus advantageous for preventing release agent from being transferred and adhered to a photo-sensitive drum of the apparatus. The release agent absorbing layer of the feed passage member may contain either porous particles or particles and a binder resin, and be formed on another layer for retaining release agent absorbed by the release agent absorbing layer. The feed passage member preferably constitutes a transfer medium carrying member, which may include a dielectric sheet, for supporting and carrying a transfer medium. The member may alternatively constitute a pick-up roller, a feed guide, and/or a resist roller of the apparatus.

摘要翻译： 诸如复印机的图像形成装置具有用于将转印到诸如纸张之类的转印介质上的显影剂图像用表面涂覆有脱模剂如油的定影辊固定的定影装置，并且包括在 至少一个进料通道构件，用于在将转印介质接触到装置的转印区域的同时进行输送。 进料通道构件在其表面上具有脱模剂吸收层，因此有利于防止脱模剂转移并粘附到装置的感光鼓上。 进料通道构件的脱模剂吸收层可以包含多孔颗粒或粘合剂树脂，并且形成在另一层上，用于保留由脱模剂吸收层吸收的脱模剂。 进给通道构件优选地构成用于支撑和承载转印介质的转印介质承载构件，其可以包括电介质片。 该构件可以替代地构成该装置的拾取辊，进给引导件和/或抗蚀辊。