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    Image forming apparatus and process cartridge
    1.
    发明授权
    Image forming apparatus and process cartridge 有权
    成像设备和处理盒

    公开(公告)号：US09588479B2

    公开(公告)日：2017-03-07

    申请号：US15074333

    申请日：2016-03-18

    申请人： Shohei Gohda ,  Masanobu Gondoh ,  Kaori Toyama ,  Yohta Sakon ,  Masahiro Ohmori ,  Yuka Aoyama ,  Yuta Nakamura ,  Yoshihiro Moriya ,  Satoshi Kojima

    发明人： Shohei Gohda ,  Masanobu Gondoh ,  Kaori Toyama ,  Yohta Sakon ,  Masahiro Ohmori ,  Yuka Aoyama ,  Yuta Nakamura ,  Yoshihiro Moriya ,  Satoshi Kojima

    IPC分类号： G03G21/00 ,  G03G9/00

    CPC分类号： G03G21/0017 ,  G03G9/00 ,  G03G9/0819 ,  G03G9/08782

    摘要： An image forming apparatus is provided which includes an image bearer, a charger to charge the image bearer, a latent image forming device to form an electrostatic latent image on the image bearer, a developing device to develop the electrostatic latent image with a toner, a transfer device to transfer the toner image onto a transfer medium, and a cleaning blade to remove residual toner particles remaining on the image bearer. The toner includes a binder resin and a release agent. The release agent has a longest length Lmax in the toner, which is equal to or greater than 1.1 times a maximum Feret diameter Df of the toner. The cleaning blade includes a strip-like elastic body blade having a contact part with the image bearer. The contact part includes a cured product of an ultraviolet curable composition including an acrylate or methacrylate compound having an alicyclic structure.

    摘要翻译： 提供一种图像形成装置，其包括图像载体，对图像载体进行充电的充电器，在图像载体上形成静电潜像的潜像形成装置，用调色剂显影静电潜像的显影装置， 转印装置将调色剂图像转印到转印介质上，以及清洁刮板以除去留在图像承载体上的剩余调色剂颗粒。 调色剂包括粘合剂树脂和脱模剂。 脱模剂在调色剂中具有最长的长度Lmax，其等于或大于调色剂的最大Feret直径Df的1.1倍。 清洁刮板包括具有与图像承载体的接触部分的条状弹性体刀片。 接触部分包括具有脂环结构的丙烯酸酯或甲基丙烯酸酯化合物的紫外线固化性组合物的固化物。

    CLEANING BLADE, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
    2.
    发明申请
    CLEANING BLADE, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE 有权
    清洁刀片，图像形成装置和工艺盒

    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。

    IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING METHOD
    4.
    发明申请
    IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING METHOD 有权
    图像形成装置，处理盒和图像形成方法

    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。

    Image forming apparatus, image forming method, and process cartridge
    5.
    发明授权
    Image forming apparatus, image forming method, and process cartridge 有权
    图像形成装置，图像形成方法和处理盒

    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。

    IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE
    6.
    发明申请
    IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE 审中-公开
    图像形成装置，图像形成方法和处理盒

    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。

    Image forming apparatus and process cartridge
    8.
    发明授权
    Image forming apparatus and process cartridge 有权
    成像设备和处理盒

    公开(公告)号：US09348297B2

    公开(公告)日：2016-05-24

    申请号：US14284846

    申请日：2014-05-22

    申请人： Masanobu Gondoh ,  Shinji Nohsho ,  Shohei Gohda ,  Kaori Toyama ,  Masahiro Ohmori ,  Yohta Sakon ,  Ichiro Maeda ,  Takeshi Tada ,  Takayuki Gotoh

    发明人： Masanobu Gondoh ,  Shinji Nohsho ,  Shohei Gohda ,  Kaori Toyama ,  Masahiro Ohmori ,  Yohta Sakon ,  Ichiro Maeda ,  Takeshi Tada ,  Takayuki Gotoh

    IPC分类号： G03G21/10 ,  G03G21/00

    CPC分类号： G03G21/0011 ,  G03G21/0017

    摘要： An image forming apparatus includes an image carrier, a charging mechanism to charge a surface of the image carrier, an electrostatic latent image forming mechanism to form an electrostatic latent image on the surface of the image carrier, a developing mechanism to develop the electrostatic latent image formed on the surface of the image carrier into a toner image, a transfer mechanism to transfer the toner image on the surface of the image carrier to a transfer body, and a cleaning mechanism including a cleaning blade to clean a transfer residue toner adhering to the surface of the image carrier by contacting the surface of the image carrier. The cleaning blade includes a strip shaped elastic blade and a surface layer formed on an opposing surface of the strip shaped elastic blade opposite the surface of the image carrier.

    摘要翻译： 图像形成装置包括图像载体，对图像载体的表面充电的充电机构，在图像载体的表面上形成静电潜像的静电潜像形成机构，使静电潜像显影的显影机构 在图像载体的表面上形成调色剂图像，将图像载体的表面上的调色剂图像转印到转印体的转印机构，以及包括清洁刮板的清洁机构，以清洁附着在所述转印体上的转印残留调色剂 通过与图像载体的表面接触来使图像载体的表面。 清洁刮板包括带状弹性刮板和形成在带状弹性片的与图像载体的表面相对的相对表面上的表面层。

    Cleaning blade, image forming apparatus, and process cartridge
    10.
    发明授权
    Cleaning blade, image forming apparatus, and process cartridge 有权
    清洁刀片，成像设备和处理盒

    公开(公告)号：US09146524B2

    公开(公告)日：2015-09-29

    申请号：US14323018

    申请日：2014-07-03

    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： G03G21/18 ,  G03G21/00

    CPC分类号： G03G21/0017 ,  G03G21/18

    摘要： A cleaning blade includes an elastic member configured to come into contact with a surface of a member to be cleaned and remove residual matter adhering to the surface of the member to be cleaned. The elastic member satisfies the following requirements a and b: a. The elastic member has a contact portion configured to come into contact with the surface of the member to be cleaned and the contact portion includes a modified layer that contains a cured product of an ultraviolet curable composition containing a (meth)acrylate compound; and b. A value obtained by normalizing a peak area ratio SA/SB of a modified portion with a peak area ratio SA′/SB′ of a portion outside the modified layer is 1.5 or more and 10 or less where SA is a peak area value at 1162 cm−1 and SB is a peak area value at 1533 cm−1 obtained by infrared microspectrometry, and the modified portion is a region that extends 100 μm in a contact portion thickness inward direction from the contact portion on a plane that lies at an equal distance from two surfaces constituting the contact portion.

    摘要翻译： 清洁刮板包括构造成与要清洁的构件的表面接触的弹性构件，并且去除附着在待清洁构件的表面上的残留物质。 弹性构件满足以下要求a和b：a。 弹性部件具有与被清扫部件的表面接触的接触部，接触部包含含有（甲基）丙烯酸酯化合物的紫外线固化性组合物的固化物的改性层， 和b。 通过使改性部分外的部分的峰面积比SA'/ SB'的峰面积比SA / SB归一化而获得的值为1.5以上且10以下，其中SA为峰值面积值1162 cm-1，SB是通过红外显微光谱测定得到的1533cm -1处的峰面积值，改性部分是从位于相等的平面上的接触部分的接触部分厚度向内方向延伸100μm的区域 距构成接触部分的两个表面的距离。