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    DEVELOPING ROLLER AND IMAGE FORMING METHOD EMPLOYING THE SAME
    3.
    发明申请
    DEVELOPING ROLLER AND IMAGE FORMING METHOD EMPLOYING THE SAME 失效
    开发滚子和使用它的图像形成方法

    公开(公告)号：US20070269239A1

    公开(公告)日：2007-11-22

    申请号：US11678314

    申请日：2007-02-23

    申请人： Satoshi UCHINO ,  Nobuaki KOBAYASHI ,  Takeo OSHIBA ,  Okushi OKUYAMA ,  Kouichi SUGAMA

    发明人： Satoshi UCHINO ,  Nobuaki KOBAYASHI ,  Takeo OSHIBA ,  Okushi OKUYAMA ,  Kouichi SUGAMA

    IPC分类号： G03G15/08

    CPC分类号： G03G15/0233

    摘要： An objective is to provide a developing roller in which increase of residual potential is inhibited during repetitive operation without deteriorating interlayer adhesion, and prepared is a layer immediately below the surface capable of preventing fog caused by toner scattering, accompanied with a surface layer capable of preventing stains formed from foreign matters adhered to the surface, as well as preventing image unevenness since toner electrification is even under the presence of appropriate elasticity, and also to provide a image forming method employing the developing roller. Disclosed is a developing roller possessing an elastic layer made of silicone rubber provided around a conductive shaft, and a plurality of resin layers further provided on the elastic layer, wherein an outermost surface layer among the resin layers comprises silicone copolymerization polyurethane; and a layer immediately below the surface layer comprises a polyurethane resin-silica hybrid.

    摘要翻译： 目的是提供一种显影辊，其中在重复操作期间残留电位的增加被抑制而不会降低层间粘合性，并且制备为能够防止由调色剂飞散引起的雾的表面下方的层，伴随着能够防止 由于附着在表面上的异物形成的污渍以及由于调色剂带电而在存在适当弹性的情况下均匀地防止图像不均匀，还提供了使用该显影辊的图像形成方法。 公开了一种显影辊，其具有设置在导电轴周围的由硅橡胶制成的弹性层，以及还设置在弹性层上的多个树脂层，其中树脂层中的最外表面层包括硅氧烷共聚聚氨酯; 并且表面层正下方的层包含聚氨酯树脂 - 二氧化硅杂化物。

    Image forming method
    4.
    发明授权
    Image forming method 有权
    图像形成方法

    公开(公告)号：US06861195B2

    公开(公告)日：2005-03-01

    申请号：US10735930

    申请日：2003-12-15

    申请人： Takeo Oshiba ,  Fumitaka Mochizuki ,  Kazuhisa Shida

    发明人： Takeo Oshiba ,  Fumitaka Mochizuki ,  Kazuhisa Shida

    IPC分类号： G03G5/10 ,  G03G5/147 ,  G03G9/08 ,  G03G9/087 ,  G03G13/08 ,  G03G21/00 ,  G03G21/10

    CPC分类号： G03G9/0827 ,  G03G9/0819 ,  G03G13/08 ,  G03G21/0029

    摘要： A method of forming a toner image is disclosed. The photoreceptor is installed so that the center axis of the cylinder is to be almost horizontal, front edge of the cleaning blade is pressed against surface of the photoreceptor at the top, ratio of width of the photosensitive layer of the photoreceptor to length of the cylindrical electroconductive substrate is 80/100 to 99/100, and a number ratio of toner particles having a shape coefficient of 1.2 to 1.6 is at least 65 percent in the toner particles.

    摘要翻译： 公开了形成调色剂图像的方法。 感光体被安装成使得圆筒的中心轴线几乎水平，清洁刮板的前边缘被压在顶部的感光体的表面上，感光体感光层的宽度与圆柱形的长度之比 导电性基材为80/100〜99/100，调色剂颗粒中形状系数为1.2〜1.6的调色剂颗粒数比例为65％以上。

    Electrophotographic photoreceptor
    5.
    发明授权
    Electrophotographic photoreceptor 失效
    电子照相感光体

    公开(公告)号：US5863689A

    公开(公告)日：1999-01-26

    申请号：US602990

    申请日：1996-02-16

    申请人： Yoshiaki Takei ,  Yoshihiko Etoh ,  Asao Matsushima ,  Takeo Oshiba

    发明人： Yoshiaki Takei ,  Yoshihiko Etoh ,  Asao Matsushima ,  Takeo Oshiba

    IPC分类号： G03G5/05 ,  G03G5/06 ,  G03G15/09

    CPC分类号： G03G5/0629 ,  G03G5/0503 ,  G03G5/0517 ,  G03G5/0521 ,  G03G5/0564 ,  G03G5/0607 ,  G03G5/0609 ,  G03G5/0614 ,  G03G5/0668 ,  Y10S430/106

    摘要： Disclosed is an electrophotographic photoreceptor comprising an electrically conductive support and thereon formed a light-sensitive layer containing a carrier generation material, a carrier transport material and a binder resin, wherein said light-sensitive layer comprises a copolymer having a structural unit represented by Formula B.sub.1 and Formula B.sub.2 ; ##STR1## wherein R.sub.1 and R.sub.2 independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or an aryl group, R.sub.1 and R.sub.2 may combine together to form a cyclic hydrocarbon residue having 4 to 10 carbon atoms, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 6 carbon atoms, a cyclic hydrocarbon residue having 4 to 10 carbon atoms, or an aryl group, l, m, p and q independently represent an integer of 1 to 4. The electrophotographic photoreceptor has high sensitivity and high durability.

    摘要翻译： 公开了一种电子照相感光体，其包含导电性载体，其上形成含有载体生成材料，载体传输材料和粘合剂树脂的感光层，其中所述感光层包含具有由式B1表示的结构单元的共聚物 和式B2; 式B1其中R 1和R 2独立地表示氢原子，具有1至6个碳原子的烷基或芳基，R 1和R 2可以结合在一起形成具有4至 10个碳原子，R 3，R 4，R 5和R 6独立地表示氢原子，卤素原子，碳原子数1〜6的烷基，碳原子数4〜10的环状烃基或芳基， ，p和q独立地表示1〜4的整数。电子照相感光体的灵敏度高，耐久性高。

    Image forming method
    6.
    发明授权
    Image forming method 失效
    图像形成方法

    公开(公告)号：US5591558A

    公开(公告)日：1997-01-07

    申请号：US604082

    申请日：1996-02-20

    申请人： Hiroshi Yamazaki ,  Takeo Oshiba ,  Yoshihiko Etoh

    发明人： Hiroshi Yamazaki ,  Takeo Oshiba ,  Yoshihiko Etoh

    IPC分类号： G03G9/08 ,  G03G5/047 ,  G03G5/05 ,  G03G5/147 ,  G03G9/087 ,  G03G13/08

    CPC分类号： G03G5/0503 ,  G03G13/08 ,  G03G5/047 ,  G03G5/0592 ,  G03G9/08704

    摘要： An electrostatic image forming method is disclosed. The photoreceptor containing an organic photosensitive material has a layer containing fine particles at the photoreceptor surface; toner has at least binder resin, coloring agent, and releasing agent made of polyolefines in which the ratio, Mz/Mn, is is 3-20, and Mz is 20,000-70,000 wherein Mz is Z-average molecular weight in terms of polypropylene and Mn is the number average molecular weight in terms of polypropylene. No offset phenomenon occurs, and a stable image having no fogging and no black-spots can be formed for a long period of time by the invention.

    摘要翻译： 公开了静电图像形成方法。 含有有机感光材料的感光体在感光体表面具有含有微粒子的层; 调色剂至少具有粘合剂树脂，着色剂和由聚烯烃制成的脱模剂，其中Mz / Mn比为3-20，Mz为20,000-70,000，其中Mz是以聚丙烯换算的Z平均分子量， Mn是以聚丙烯换算的数均分子量。 不发生偏移现象，并且通过本发明可以长时间形成不具有起雾和无黑点的稳定图像。

    ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMING METHOD
    7.
    发明申请
    ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMING METHOD 有权
    电子照相机和图像形成方法

    公开(公告)号：US20090197195A1

    公开(公告)日：2009-08-06

    申请号：US12361642

    申请日：2009-01-29

    申请人： Eiichi SAKAI ,  Yoshihiko Eto ,  Kimiyuki Itou ,  Akihiko Itami ,  Takeo Oshiba

    发明人： Eiichi SAKAI ,  Yoshihiko Eto ,  Kimiyuki Itou ,  Akihiko Itami ,  Takeo Oshiba

    IPC分类号： G03G13/16 ,  G03G15/00

    CPC分类号： G03G15/751 ,  G03G5/00 ,  G03G5/04 ,  G03G5/0525 ,  G03G5/0696 ,  G03G15/757

    摘要： Provide is an electrophotographic photoreceptor exhibiting excellent evenness of halftone images together with fine line reproduction, and an image forming method thereof, as to a photoreceptor in which an oxytitanium phthalocyanine pigment having a maximum diffraction peak at a Bragg angle (2θ±0.2°) of 27.2° in CuKα X-ray diffraction. Also disclosed is an electrophotographic photoreceptor possessing a body having cylindrical conductive support provided thereon photosensitive layer containing oxytitanium phthalocyanine pigment having maximum diffraction peak at a Bragg angle (2θ±0.2°) of 27.2° in CuKα X-ray diffraction, and flanges jointed at both ends of the body, wherein at least one of flanges is fitted with driving shaft having drive hole having at least 3 sides, and a ratio B/A of cross-sectional area B of engaging part of rotation shaft to rotate the electrophotographic photoreceptor with respect to cross-sectional area A of the drive hole is 0.890-0.998.

    摘要翻译： 提供一种电子照相感光体，其具有优异的半色调图像均匀度以及细线再现性及其成像方法，其中，将具有布拉格角（2θ±0.2°）的最大衍射峰的氧钛酞菁颜料 CuKαX射线衍射中为27.2°。 还公开了一种电子照相感光体，其具有在CuKαX射线衍射中在其上设置有具有在布拉格角（2θ±0.2°）为27.2°的最大衍射峰的感光层的感光层上的圆柱形导电性支持体， 主体的端部，其中至少一个凸缘装配有具有至少3个侧面的驱动孔的驱动轴和旋转轴的接合部分的横截面积B的比率B / A，以使电子照相感光体相对于 驱动孔的横截面积A为0.890-0.998。

    Developing roller and developing method thereof
    8.
    发明授权
    Developing roller and developing method thereof 有权
    显影辊及其显影方法

    公开(公告)号：US07505720B2

    公开(公告)日：2009-03-17

    申请号：US11585399

    申请日：2006-10-24

    申请人： Kouichi Sugama ,  Nobuaki Kobayashi ,  Takeo Oshiba ,  Okushi Okuyama ,  Satoshi Uchino

    发明人： Kouichi Sugama ,  Nobuaki Kobayashi ,  Takeo Oshiba ,  Okushi Okuyama ,  Satoshi Uchino

    IPC分类号： G03G15/08

    CPC分类号： G03G15/0818 ,  G03G2215/0617

    摘要： Provided are a developing roller for non-magnetic single component development and a developing method employing the developing, by which toner can be stably conveyed in any external environment, and the stable toner conveyance and charging amount can also be acquired. Also disclosed is a developing roller possessing a spindle and provided around an outer circumference of the spindle, at least an elastic layer (innermost layer), a resistance adjusting layer (intermediate layer) formed on the elastic layer and a surface layer (outermost layer) formed on the resistance adjusting layer, wherein the intermediate layer possesses a layer containing carbon black in a resin, a content of a polycyclic aromatic hydrocarbon in the carbon black is at most 10 ppm, and a volume resistance (Rv) of all the layers provided around the outer circumference of the spindle is 1.0×107−1.0×1013 Ω·cm.

    摘要翻译： 提供了一种用于非磁性单组分显影的显影辊和使用显影剂的显影方法，通过该显影辊可以在任何外部环境中稳定地输送调色剂，并且还可以获得稳定的调色剂输送和充电量。 还公开了一种具有心轴的显影辊，至少在弹性层上形成弹性层（最内层），电阻调节层（中间层）和表面层（最外层），围绕心轴外周设置， 形成在电阻调节层上，其中中间层在树脂中具有含有炭黑的层，碳黑中的多环芳烃的含量为至多10ppm，并且提供了所有层的体积电阻（Rv） 围绕心轴的外圆周为1.0×107-1.0×1013Ω·cm。

    DEVELOPING ROLLER AND IMAGE FORMING METHOD EMPLOYING THE SAME
    9.
    发明申请
    DEVELOPING ROLLER AND IMAGE FORMING METHOD EMPLOYING THE SAME 有权
    开发滚子和使用它的图像形成方法

    公开(公告)号：US20070269240A1

    公开(公告)日：2007-11-22

    申请号：US11681229

    申请日：2007-03-02

    申请人： Satoshi UCHINO ,  Nobuaki KOBAYASHI ,  Takeo OSHIBA ,  Okushi OKUYAMA ,  Kouichi SUGAMA

    发明人： Satoshi UCHINO ,  Nobuaki KOBAYASHI ,  Takeo OSHIBA ,  Okushi OKUYAMA ,  Kouichi SUGAMA

    IPC分类号： G03G15/08

    CPC分类号： G03G15/0818

    摘要： An objective is to provide a developing roller in which increase of residual potential is inhibited during repetitive operation without deteriorating adhesion to an elastic layer, scattering and leakage of toner are prevented, appropriate elasticity is exhibited and a resin layer capable of preventing uneven charging of toner and image unevenness is prepared, and also to provide a image forming method employing the developing roller. Disclosed is a developing roller possessing an elastic layer made of silicone rubber provided around a conductive shaft, and a resin layer further provided on the elastic layer, wherein the resin layer contains polyurethane resin-silica hybrid as a principal component.

    摘要翻译： 目的是提供一种显影辊，其中在重复操作期间残留电位的增加被抑制，而不会降低与弹性层的粘附性，防止了调色剂的散射和泄漏，表现出适当的弹性，以及能够防止调色剂不均匀充电的树脂层 并且制备图像不均匀性，并且还提供使用显影辊的图像形成方法。 公开了一种显影辊，其具有设置在导电轴周围的由硅橡胶制成的弹性层，以及还设置在弹性层上的树脂层，其中树脂层含有聚氨酯树脂 - 二氧化硅杂化物作为主要成分。