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。

公开(公告)号：US20140178103A1

公开(公告)日：2014-06-26

申请号：US14132444

申请日：2013-12-18

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

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

IPC分类号： G03G15/02 ,  G03G21/00

CPC分类号： G03G15/0233 ,  G03G21/0017 ,  G03G21/1814

摘要： An image forming apparatus, including: an image bearing member; a charging unit; an exposure unit; a developing unit; a transfer unit; a fixing unit; and a cleaning unit including a cleaning blade, wherein the charging unit includes a charging roller that is brought into contact with the image bearing member for charging, the charging roller abutting the image bearing member at a pressing force of 10 mN/cm to 1,000 mN/cm, wherein the cleaning blade includes an elastic member that abuts the surface of the image bearing member to remove a residue attached to the surface of the image bearing member, and wherein an abutment part of the elastic member, which abuts the surface of the image bearing member, includes a cured product of an ultraviolet curable composition containing a (meth)acrylate compound having an alicyclic structure having 6 or more carbon atoms in a molecule.

摘要翻译： 一种图像形成装置，包括：图像承载部件; 充电单元; 曝光单元; 一个发展单位; 转运单位 固定单元; 以及包括清洁刮板的清洁单元，其中所述充电单元包括充电辊，所述充电辊与用于充电的图像承载部件接触，所述充电辊以10mN / cm至1000mN的压力抵靠所述图像承载部件 / cm，其中，所述清洁刮板包括弹性构件，所述弹性构件邻接所述图像承载构件的表面以去除附着在所述图像承载构件的表面上的残余物，并且所述弹性构件的邻接部分邻接所述图像承载构件的表面， 图像承载部件包括在分子中含有具有6个以上碳原子的脂环结构的（甲基）丙烯酸酯化合物的紫外线固化性组合物的固化物。

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：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：US09746817B2

公开(公告)日：2017-08-29

申请号：US14538027

申请日：2014-11-11

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

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

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

CPC分类号： G03G21/0017 ,  G03G15/162

摘要： Provided is a cleaning blade including an elastic member configured to abut on a surface of a cleaning target member and remove residual material deposited thereon, wherein elastic member satisfies requirements a to c below, a. an abutment part of the elastic member to abut on the surface of the cleaning target member has a reformed layer, b. Martens hardness at a surface of the reformed layer is from 1.5 to 15 N/mm2, and c. a relationship H/L between maximum Martens hardness H among Martens hardnesses H in a region inward from the abutment part thicknesswise and distance L from the surface of the reformed layer is from 0.010 to 0.2 (N/mm2·1/μm), where distance L represents minimum distance among distances to the surface of the reformed layer, from positions at which a measured Martens hardness and a measured elastic power are equal to those of the elastic member.

公开(公告)号：US09383713B2

公开(公告)日：2016-07-05

申请号：US14808043

申请日：2015-07-24

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

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

IPC分类号： G03G21/00

CPC分类号： G03G21/0017

摘要： A cleaning blade, including: rectangular elastic body blade containing cured first-UV-curable resin at tip ridgeline portion thereof, brought into contact with surface of to-be-cleaned member, the cured first-UV-curable resin being formed by impregnating the tip ridgeline portion with the first-UV-curable resin, followed by curing, and depth of the elastic body blade impregnated with the first-UV-curable resin from edge surface thereof is 50 μm-150 μm, wherein the elastic body blade contains surface layer containing cured second-UV-curable resin at the edge surface, wherein load-displacement curve of Martens hardness thereof has inflection points, and is obtained by pressing region of the surface layer thereof via resin particles having average particle diameter of 5 μm-10 μm, and distance of the region from the tip ridgeline portion is 0.5 mm or less, and wherein ratio of displacement at the inflection point, with which load is maximum, to the average particle diameter is 1.5-2.0.

摘要翻译： 一种清洁刮板，其特征在于，包括：在顶端棱线部分含有固化的第一UV固化树脂的矩形弹性体刀片，与待清洁部件的表面接触，固化的第一UV固化树脂通过浸渍 第一紫外线固化树脂的尖端棱线部分，然后固化，并且从其边缘表面浸渍有第一UV可固化树脂的弹性体片的深度为50μm-150μm，其中弹性体刀片包含表面 在其边缘表面含有固化的第二紫外线可固化树脂的层，其中马氏体硬度的载荷 - 位移曲线具有拐点，并且通过将表面层的表面层的区域压制成具有平均粒径为5μm-10的树脂颗粒 μm，距顶尖棱线部的距离为0.5mm以下，负荷最大的拐点的位移与平均粒径的比为1.5〜2.0。

公开(公告)号：US09244424B1

公开(公告)日：2016-01-26

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。

公开(公告)号：US09170558B2

公开(公告)日：2015-10-27

申请号：US14471484

申请日：2014-08-28

申请人： Hiroshi Ikuno ,  Tetsuya Toshine ,  Masanobu Gondoh ,  Shinji Nohsho ,  Shohei Gohda ,  Kaori Toyama

发明人： Hiroshi Ikuno ,  Tetsuya Toshine ,  Masanobu Gondoh ,  Shinji Nohsho ,  Shohei Gohda ,  Kaori Toyama

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

CPC分类号： G03G21/0017 ,  G03G15/75 ,  G03G21/169 ,  G03G2215/00957

摘要： An image forming apparatus, which contains: an image bearing member; a charging unit; an exposing unit; a developing unit; a transferring unit; and a cleaning unit, wherein the image bearing member contains an electrically conductive support, a photoconductive layer formed on the electrically conductive support, and a surface layer containing a binder resin and particles formed on a surface of the photoconductive layer, or contains the electrically conductive support, and the photoconductive layer formed on the electrically conductive support, wherein the cleaning unit contains a cleaning blade, which contains a cured composition containing a curing agent in a region of the cleaning blade, which is to be in contact with the image bearing member, and wherein the curing agent contains a polycyclic aliphatic hydrocarbon group, and a (meth)acryloyloxy group.

摘要翻译： 一种图像形成装置，包括：图像承载部件; 充电单元; 曝光单元; 一个发展单位; 转移单元; 以及清洁单元，其中所述图像承载部件包含导电支撑体，形成在所述导电支撑体上的光电导层，以及包含粘合剂树脂的表面层和形成在所述光电导层表面上的颗粒，或者包含导电 支撑体和形成在导电支撑体上的光电导层，其中清洁单元包含清洁刮板，其包含在清洁刮板的区域中含有固化剂的固化组合物，其将与图像承载部件接触 ，其中固化剂含有多环脂族烃基和（甲基）丙烯酰氧基。

公开(公告)号：US20150253722A1

公开(公告)日：2015-09-10

申请号：US14624700

申请日：2015-02-18

申请人： Hiromi Sakaguchi ,  Shinji NOHSHO ,  Masahiro OHMORI ,  Yohta SAKON ,  Masanobu GONDOH ,  Shohei GOHDA ,  Kaori TOYAMA

发明人： Hiromi Sakaguchi ,  Shinji NOHSHO ,  Masahiro OHMORI ,  Yohta SAKON ,  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 contacting the surface of the object. The elastic body has a length (L) projecting from the holder not less than 4 mm, a Martens hardness of from 1.0 to 10.0 N/mm2 from the tip ridgeline to the middle (L/2) thereof, and a Martens hardness of from 0.3 to 0.8 N/mm2 from the middle (L/2) thereof.

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，包括与物体表面接触的尖端棱线。 弹性体具有从保持架突出的长度（L）不小于4mm，从尖端脊线到中间（L / 2）的马氏体硬度为1.0至10.0N / mm2，马氏体硬度为 从中间（L / 2）0.3〜0.8N / mm2。