Conductive member, electrophotographic process cartridge, and electrophotographic apparatus
    5.
    发明授权
    Conductive member, electrophotographic process cartridge, and electrophotographic apparatus 有权
    导电构件,电子照相处理盒和电子照相设备

    公开(公告)号:US09164416B2

    公开(公告)日:2015-10-20

    申请号:US14342332

    申请日:2012-08-29

    IPC分类号: G03G15/06 G03G15/08

    CPC分类号: G03G15/065 G03G15/0818

    摘要: The present invention provides a conductive member in which it is possible to control a variation in resistance due to physical stress from a contact member, and an uneven density in a halftone image can be prevented.The conductive member is a development roller which includes a conductive shaft core, a conductive elastic layer, and a conductive surface layer. The conductive elastic layer contains silicone rubber and a basic carbon black dispersed in the silicone rubber. The surface layer contains a urethane resin having a carboxyl group in its molecule and an acidic carbon black dispersed in the urethane resin.

    摘要翻译: 本发明提供一种导电构件,其中可以控制由于接触构件的物理应力引起的电阻变化,并且可以防止半色调图像中的不均匀浓度。 导电构件是显影辊,其包括导电芯芯,导电弹性层和导电表面层。 导电性弹性层含有分散在硅橡胶中的硅橡胶和碱性炭黑。 表层含有分子中具有羧基的聚氨酯树脂和分散在聚氨酯树脂中的酸性炭黑。

    Image forming method and image forming apparatus
    6.
    发明授权
    Image forming method and image forming apparatus 有权
    图像形成方法和图像形成装置

    公开(公告)号:US08017290B2

    公开(公告)日:2011-09-13

    申请号:US12043633

    申请日:2008-03-06

    IPC分类号: G03G13/04 G03G15/16

    摘要: Objects of the present invention are to provide an image forming method and image forming apparatus which can secure stable toner transferability, prevent reverse transfer of the toner back to a latent image bearing member, have excellent fixing ability and produce high-quality images. The image forming method includes a one-component developing step with a toner and transferring step with an intermediate transfer member, wherein the developing step uses a developing roller having a diameter of 8 mm to 15 mm, and the toner has an adherence Fh (nN) of the toner to a flat surface satisfying the relation represented by the formula (1) and adherence Fr (mN) among the toner particles satisfying the relation represented by the formula (2): 15≦Fh≦50  (1) 100≦Fr≦400  (2).

    摘要翻译: 本发明的目的是提供一种图像形成方法和图像形成装置,其可以确保稳定的调色剂转印性,防止调色剂反向转印到潜像承载部件上,具有优异的定影能力并产生高质量的图像。 图像形成方法包括具有调色剂的单组分显影步骤和具有中间转印部件的转印步骤,其中显影步骤使用直径为8mm至15mm的显影辊,并且调色剂具有粘附力Fh(nN )满足式(2)表示的关系的调色剂颗粒的平坦表面和粘附度Fr(mN):满足由式(2)表示的关系的调色剂颗粒:15< 1lE; Fh≦̸ 50(1)100≦̸ Fr& ; 400(2)。

    Optical measuring system
    7.
    发明授权
    Optical measuring system 有权
    光学测量系统

    公开(公告)号:US07982864B2

    公开(公告)日:2011-07-19

    申请号:US12067751

    申请日:2006-09-21

    IPC分类号: G01N21/00

    摘要: An optical measuring system has a first optical measuring instrument and a second optical measuring instrument. The optical measuring system includes a first optical path to guide a first beam from a measuring region to the first optical measuring instrument, a second optical path to guide a second beam from the measuring region to the second optical measuring instrument, an optical system through which the first and second optical paths extend and in which the first and second optical paths are paraxial, a reflection area to change the direction of the first optical path, the second optical path crossing the reflection area, and a light transmission area arranged at a position where the reflection area and second optical path cross each other, the light transmission area having a higher light transmittance than the reflection area.

    摘要翻译: 光学测量系统具有第一光学测量仪器和第二光学测量仪器。 所述光学测量系统包括用于将第一光束从测量区域引导到所述第一光学测量仪器的第一光路,用于将第二光束从所述测量区域引导到所述第二光学测量仪器的第二光学路径, 第一和第二光路延伸并且其中第一和第二光路是近轴的,改变第一光路的方向的反射区域,与反射区域相交的第二光路以及布置在反射区域的光透射区域 其中反射区域和第二光路彼此交叉,透光区域具有比反射区域更高的透光率。

    DEVELOPING ROLLER AND METHOD OF PRODUCING THE ROLLER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE-FORMING APPARATUS
    10.
    发明申请
    DEVELOPING ROLLER AND METHOD OF PRODUCING THE ROLLER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE-FORMING APPARATUS 有权
    开发辊和制造滚子,过程盒和电子图像形成装置的方法

    公开(公告)号:US20100054824A1

    公开(公告)日:2010-03-04

    申请号:US12614022

    申请日:2009-11-06

    IPC分类号: G03G15/08 B23P25/00

    摘要: The present invention intends to provide a method of producing a developing roller capable of providing high-quality electrophotographic images under a variety of environments. The method of producing a developing roller according to the present invention is a method of producing a developing roller having a mandrel, a resin layer on the outer periphery of the mandrel, and a surface layer on the outer periphery of the resin layer, the method including the step of curing a mixture containing a carbon black, a specific diol, and a specific isocyanate compound to form the surface layer.

    摘要翻译: 本发明旨在提供一种能够在各种环境下提供高质量电子照相图像的显影辊的制造方法。 根据本发明的制造显影辊的方法是制造具有心轴,心轴外周上的树脂层和树脂层外周上的表面层的显影辊的方法,该方法 包括固化含有炭黑,特定二醇和特定异氰酸酯化合物的混合物以形成表面层的步骤。