公开(公告)号：US07964327B2

公开(公告)日：2011-06-21

申请号：US11762296

申请日：2007-06-13

申请人： Masanobu Gondoh ,  Akihiro Sugino ,  Hideo Nakamori ,  Shinji Nohsho ,  Tomoyuki Shimada ,  Takaaki Ikegami

发明人： Masanobu Gondoh ,  Akihiro Sugino ,  Hideo Nakamori ,  Shinji Nohsho ,  Tomoyuki Shimada ,  Takaaki Ikegami

IPC分类号： G03G5/047

CPC分类号： G03G5/14708 ,  G03G5/0525 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/0679 ,  G03G5/14704 ,  G03G5/14734 ,  G03G5/14752

摘要： An electrophotographic photoreceptor, including an electroconductive substrate; and a photosensitive layer, located overlying the electroconductive substrate, wherein an outermost layer of the electrophotographic photoreceptor includes an amine compound and a charge transport material, and wherein the amine compound includes an amine site having an electrostatic potential with a dimensionless unit not greater than −0.27.

摘要翻译： 电子照相感光体，包括导电性基材; 以及位于导电基底上的感光层，其中电子照相感光体的最外层包括胺化合物和电荷输送材料，并且其中胺化合物包括具有静电势的胺位点，其具有不大于 - 0.27。

公开(公告)号：US20070287083A1

公开(公告)日：2007-12-13

申请号：US11762296

申请日：2007-06-13

申请人： Masanobu Gondoh ,  Akihiro Sugino ,  Hideo Nakamori ,  Shinji Nohsho ,  Tomoyuki Shimada ,  Takaaki Ikegami

发明人： Masanobu Gondoh ,  Akihiro Sugino ,  Hideo Nakamori ,  Shinji Nohsho ,  Tomoyuki Shimada ,  Takaaki Ikegami

IPC分类号： G03G5/147

CPC分类号： G03G5/14708 ,  G03G5/0525 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/0679 ,  G03G5/14704 ,  G03G5/14734 ,  G03G5/14752

摘要： An electrophotographic photoreceptor, including an electroconductive substrate; and a photosensitive layer, located overlying the electroconductive substrate, wherein an outermost layer of the electrophotographic photoreceptor includes an amine compound and a charge transport material, and wherein the amine compound includes an amine site having an electrostatic potential with a dimensionless unit not greater than −0.27.

摘要翻译： 电子照相感光体，包括导电性基材; 以及位于导电基底上的感光层，其中电子照相感光体的最外层包括胺化合物和电荷输送材料，并且其中胺化合物包括具有静电势的胺位点，其具有不大于 - 0.27。

公开(公告)号：US20080113285A1

公开(公告)日：2008-05-15

申请号：US11873876

申请日：2007-10-17

申请人： Hideo Nakamori ,  Akihiro Sugino ,  Masanobu Gondoh ,  Shinji Nohsho

发明人： Hideo Nakamori ,  Akihiro Sugino ,  Masanobu Gondoh ,  Shinji Nohsho

IPC分类号： G03G13/04 ,  G03G15/00

CPC分类号： G03G5/14708 ,  G03G5/0614 ,  G03G5/14704 ,  G03G15/751 ,  G03G21/08

摘要： The present invention provides an image forming apparatus that has high-durability and can prevent image degradation that could be caused by an increase in residual potential on a photoconductor, occurrence of image blur and incidental images and can stably form a high-quality image even when repetitively used for long hours, and includes at least an electrophotographic photoconductor, a non-contact type corona discharge charging unit, an exposing unit, a developing unit, a transfer unit and a charge eliminating unit configured to eliminate a residual charge on the photoconductor by irradiating the electrophotographic photoconductor with light, wherein the outermost surface layer of the electrophotographic photoconductor contains at least a filler and an is amine compound having a specific structure, and the exposure dose of the charge eliminating unit is controlled at at least two stages during a time from the start of image forming operation to the end of the image forming operation.

摘要翻译： 本发明提供一种图像形成装置，其具有高耐久性并且可以防止由于感光体上的残留电位的增加，图像模糊和附带图像的发生而引起的图像劣化，并且即使当 重复使用长时间，并且至少包括电子照相感光体，非接触型电晕放电充电单元，曝光单元，显影单元，转印单元和电荷消除单元，其被配置为通过以下步骤来消除光电导体上的残留电荷： 用光照射电子照相感光体，其中电子照相感光体的最外表面层至少含有填料，并且是具有特定结构的胺化合物，并且电荷消除单元的曝光剂量在一段时间内被控制在至少两个阶段 从图像形成操作开始到图像形成操作的结束。

公开(公告)号：US20080112742A1

公开(公告)日：2008-05-15

申请号：US11876396

申请日：2007-10-22

申请人： Hideo NAKAMORI ,  Akihiro Sugino ,  Masanobu Gondoh ,  Shinji Nohsho

发明人： Hideo NAKAMORI ,  Akihiro Sugino ,  Masanobu Gondoh ,  Shinji Nohsho

IPC分类号： G03G21/00 ,  G03G15/02

CPC分类号： G03G5/0517 ,  G03G5/0614 ,  G03G5/14704 ,  G03G5/14708 ,  G03G5/14791 ,  G03G2215/00957 ,  G03G2215/026 ,  G03G2221/1609

摘要： The present invention provides an image forming apparatus which has high durability and allows for preventing occurrence of image blur and suppressing image degradation caused by a reduction in image density near a charging unit used under a high-humidity condition and stably forming high-quality images even when repetitively used for a long hours. To this end, the image forming apparatus has at least an electrophotographic photoconductor, a corona discharge type charging unit in a non-contact manner, an exposing unit, a developing unit, a transfer unit, a cleaning unit and a lubricant providing unit, wherein the outermost surface layer of the electrophotographic photoconductor contains at least a filler and an amine compound having a specific structure, the lubricant providing unit has a lubricant supplying unit configured to supply a lubricant onto the electrophotographic photoconductor and a lubricant applying unit configured to apply the supplied lubricant over the electrophotographic photoconductor surface.

摘要翻译： 本发明提供了一种图像形成装置，其具有高耐久性，并且可以防止图像模糊的发生，并且抑制由于在高湿度条件下使用的充电单元附近的图像密度降低而引起的图像劣化，并且稳定地形成高质量图像 重复使用长时间。 为此，图像形成装置至少具有电子照相感光体，非接触式的电晕放电型充电单元，曝光单元，显影单元，转印单元，清洁单元和润滑剂提供单元，其中 电子照相感光体的最外表面层至少含有填料和具有特定结构的胺化合物，润滑剂供给单元具有润滑剂供给单元，该润滑剂供给单元构成为向电子照相感光体供给润滑剂，润滑剂涂布单元构成为， 在电子照相感光体表面上的润滑剂。

公开(公告)号：US20050118518A1

公开(公告)日：2005-06-02

申请号：US10938585

申请日：2004-09-13

申请人： Takaaki Ikegami ,  Shinji Nohsho ,  Eiji Kurimoto ,  Hidetoshi Kami ,  Akihiro Sugino ,  Yasuyuki Yamashita ,  Hideo Nakamori ,  Takeshi Takada

发明人： Takaaki Ikegami ,  Shinji Nohsho ,  Eiji Kurimoto ,  Hidetoshi Kami ,  Akihiro Sugino ,  Yasuyuki Yamashita ,  Hideo Nakamori ,  Takeshi Takada

IPC分类号： G03G5/047 ,  G03G5/06 ,  G03G5/147 ,  G03G13/00 ,  G03G15/00

CPC分类号： G03G5/14708 ,  G03G5/0614

摘要： The present invention relates to an electrophotographic photoconductor comprising a photoconductive layer, a protective layer, and a conductive support, wherein the protective layer is disposed as the outermost layer of the photoconductive layer, and 20% by volume to 60% by volume of fine particles of fluorine-contained resin and at least one compound selected from amine aromatic compounds and hydroxy aromatic compounds are incorporated into the protective layer. According to the present invention, high durability may be achieved, image degradation such as lags may be controlled from the increase of residual potential and decrease of charging, and high quality images may be formed stably even after the prolonged and repeated usage. The present invention also relates to an electrophotographic process, an electrophotographic apparatus and a process cartridge for the electrophotographic apparatus which utilize the electrophotographic photoconductor respectively.

摘要翻译： 本发明涉及一种包括光电导层，保护层和导电载体的电子照相感光体，其中保护层被设置为光电导层的最外层，并且20体积％至60体积％的细颗粒 的含氟树脂和至少一种选自胺芳族化合物和羟基芳族化合物的化合物引入到保护层中。 根据本发明，可以实现高耐久性，可以从残留电位的增加和充电的减少来控制诸如滞后的图像劣化，并且即使在长时间和重复使用之后也可以稳定地形成高质量的图像。 本发明还涉及分别利用电子照相感光体的电子照相方法，电子照相设备和用于电子照相设备的处理盒。

公开(公告)号：US07314693B2

公开(公告)日：2008-01-01

申请号：US10938585

申请日：2004-09-13

申请人： Takaaki Ikegami ,  Shinji Nohsho ,  Eiji Kurimoto ,  Hidetoshi Kami ,  Akihiro Sugino ,  Yasuyuki Yamashita ,  Hideo Nakamori ,  Takeshi Takada

发明人： Takaaki Ikegami ,  Shinji Nohsho ,  Eiji Kurimoto ,  Hidetoshi Kami ,  Akihiro Sugino ,  Yasuyuki Yamashita ,  Hideo Nakamori ,  Takeshi Takada

IPC分类号： G03G5/047

CPC分类号： G03G5/14708 ,  G03G5/0614

摘要： The present invention relates to an electrophotographic photoconductor comprising a photoconductive layer, a protective layer, and a conductive support, wherein the protective layer is disposed as the outermost layer of the photoconductive layer, and 20% by volume to 60% by volume of fine particles of fluorine-contained resin and at least one compound selected from amine aromatic compounds and hydroxy aromatic compounds are incorporated into the protective layer.According to the present invention, high durability may be achieved, image degradation such as lags may be controlled from the increase of residual potential and decrease of charging, and high quality images may be formed stably even after the prolonged and repeated usage.The present invention also relates to an electrophotographic process, an electrophotographic apparatus and a process cartridge for the electrophotographic apparatus which utilize the electrophotographic photoconductor respectively.

摘要翻译： 本发明涉及一种包括光电导层，保护层和导电载体的电子照相感光体，其中保护层被设置为光电导层的最外层，并且20体积％至60体积％的细颗粒 的含氟树脂和至少一种选自胺芳族化合物和羟基芳族化合物的化合物引入到保护层中。 根据本发明，可以实现高耐久性，可以从残留电位的增加和充电的减少来控制诸如滞后的图像劣化，并且即使在长时间和重复使用之后也可以稳定地形成高质量的图像。 本发明还涉及分别利用电子照相感光体的电子照相方法，电子照相设备和用于电子照相设备的处理盒。

公开(公告)号：US07729634B2

公开(公告)日：2010-06-01

申请号：US12043407

申请日：2008-03-06

申请人： Hideo Nakamori ,  Masanobu Gondoh ,  Shinji Nohsho

发明人： Hideo Nakamori ,  Masanobu Gondoh ,  Shinji Nohsho

IPC分类号： G03G21/20

CPC分类号： G03G21/206 ,  G03G2215/00957 ,  G03G2221/183

摘要： An image forming apparatus and a process cartridge have high-durability and stably form high quality images under long-term use without reducing image density even when concentration of discharge products at the surface of an electrophotographic photoconductor becomes uneven in a discharge region of a charging unit. The apparatus employs an image forming method and has a corona discharge type charging unit discharging in a non-contact manner, the photoconductor placed to face the charging unit and the outermost surface layer thereof contains a filler and an amine compound with a specific structure, and an airflow adjusting device which carries air taken from the outside of the apparatus to the vicinity of the charging unit or the photoconductor so that ozone concentration and unevenness thereof are maintained at an average of 30 ppm or less and 15 ppm or less respectively at the surface of the photoconductor in the discharge region.

摘要翻译： 图像形成装置和处理盒具有高耐久性，并且即使在电子照相感光体的表面上的放电产物的浓度在充电单元的放电区域中变得不均匀的情况下也可长期使用而稳定地形成高质量的图像而不降低图像浓度 。 该装置采用图像形成方法，并且具有以非接触方式放电的电晕放电型充电单元，放置成面对充电单元的光电导体及其最外表面层包含具有特定结构的填料和胺化合物，以及 气流调节装置，其将从装置外部取出的空气携带到充电单元或感光体附近，使得臭氧浓度和不均匀性在表面上分别保持在30ppm以下且15ppm以下 的放电区域中的感光体。

公开(公告)号：US20080219694A1

公开(公告)日：2008-09-11

申请号：US12043407

申请日：2008-03-06

申请人： Hideo NAKAMORI ,  Masanobu Gondoh ,  Shinji Nohsho

发明人： Hideo NAKAMORI ,  Masanobu Gondoh ,  Shinji Nohsho

IPC分类号： G03G21/20

CPC分类号： G03G21/206 ,  G03G2215/00957 ,  G03G2221/183

摘要： An image forming apparatus and a process cartridge have high-durability and stably form high quality images under long-term use without reducing image density even when concentration of discharge products at the surface of an electrophotographic photoconductor becomes uneven in a discharge region of a charging unit. The apparatus employs an image forming method and has a corona discharge type charging unit discharging in a non-contact manner, the photoconductor placed to face the charging unit and the outermost surface layer thereof contains a filler and an amine compound with a specific structure, and an airflow adjusting device which carries air taken from the outside of the apparatus to the vicinity of the charging unit or the photoconductor so that ozone concentration and unevenness thereof are maintained at an average of 30 ppm or less and 15 ppm or less respectively at the surface of the photoconductor in the discharge region.

摘要翻译： 图像形成装置和处理盒具有高耐久性，并且即使在电子照相感光体的表面上的放电产物的浓度在充电单元的放电区域中变得不均匀的情况下也可长期使用而稳定地形成高质量的图像而不降低图像浓度 。 该装置采用图像形成方法，并且具有以非接触方式放电的电晕放电型充电单元，放置成面对充电单元的光电导体及其最外表面层包含具有特定结构的填料和胺化合物，以及 气流调节装置，其将从装置外部取出的空气携带到充电单元或感光体附近，使得臭氧浓度和不均匀性在表面上分别保持在30ppm以下且15ppm以下 的放电区域中的感光体。

公开(公告)号：US20160004207A1

公开(公告)日：2016-01-07

申请号：US14743105

申请日：2015-06-18

申请人： Hiromi Sakaguchi ,  Shinji Nohsho ,  Yohta Sakon ,  Masahiro Ohmori ,  Yuka Aoyama ,  Masanobu Gondoh ,  Shohei Gohda ,  Kaori Toyama

发明人： Hiromi Sakaguchi ,  Shinji Nohsho ,  Yohta Sakon ,  Masahiro Ohmori ,  Yuka Aoyama ,  Masanobu Gondoh ,  Shohei Gohda ,  Kaori Toyama

IPC分类号： G03G21/00

CPC分类号： G03G21/0017

摘要： A cleaning blade cleaning the surface of an object includes a rigid holder; and a strip-shaped elastic body fixed on the holder, having a tip ridgeline to contact the surface of the object. The elastic body has a Martens hardness M1 in the range of from 0.9 to 10.0 N/mm2 at a position 300 μm from the ridgeline on an undersurface of the elastic body including the ridgeline, a Martens hardness M2 at a position 1,000 μm therefrom and a Martens hardness M3 at a position 2,000 μm therefrom, and M1, M2 and M3 satisfy the following relationship: M1>M2>M3.

摘要翻译： 清洁物体表面的清洁刀片包括刚性保持器; 以及固定在保持器上的带状弹性体，具有与物体的表面接触的尖端棱线。 弹性体的马氏体硬度M1在距离包括棱线的弹性体的下表面的棱线300μm的位置处为0.9至10.0N / mm 2的范围内的马氏体硬度M1，距离为1,000μm的马氏体硬度M2和 马氏硬度M3位于距离为2,000μm的位置，M1，M2和M3满足以下关系：M1> M2> M3。

公开(公告)号：US20160004206A1

公开(公告)日：2016-01-07

申请号：US14742193

申请日：2015-06-17

申请人： Hiromi Sakaguchi ,  Shinji Nohsho ,  Yohta Sakon ,  Masahiro Ohmori ,  Yuka Aoyama ,  Masanobu Gondoh ,  Shohei Gohda ,  Kaori Toyama

发明人： Hiromi Sakaguchi ,  Shinji Nohsho ,  Yohta Sakon ,  Masahiro Ohmori ,  Yuka Aoyama ,  Masanobu Gondoh ,  Shohei Gohda ,  Kaori Toyama

IPC分类号： G03G21/00

CPC分类号： G03G21/0017

摘要： A cleaning blade cleaning the surface of an object includes a rigid holder; and a strip-shaped elastic body fixed on the holder, including a tip ridgeline to contact the surface of the object. The cleaning blade includes a part having a Martens hardness of from 0.9 to 5.0 N/mm2 at a depth of 20 μm from an undersurface of the blade including the ridgeline, 0.3 to 0.8 N/mm2 at a depth of 40 μm therefrom, and the Martens hardness at a depth of 20 μm therefrom larger than that at a depth of 40 μm therefrom by 0.6 N/mm2.

摘要翻译： 清洁物体表面的清洁刀片包括刚性保持器; 以及固定在所述保持器上的带状弹性体，其包括与所述物体的表面接触的尖端棱线。 清洁刮板包括从包括棱线的叶片的下表面开始的深度为20μm至20μm的马氏体硬度为0.9至5.0N / mm 2的部分，其深度为40μm时为0.3至0.8N / mm 2， 其深度为20μm的马氏体硬度比其深度为40μm的马氏硬度大0.6N / mm 2。