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    Image forming apparatus
    1.
    发明授权
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号：US08543037B2

    公开(公告)日：2013-09-24

    申请号：US12610542

    申请日：2009-11-02

    申请人： Kazuhiro Egawa ,  Yukio Fujiwara ,  Hidetoshi Kami ,  Kohichi Ohshima

    发明人： Kazuhiro Egawa ,  Yukio Fujiwara ,  Hidetoshi Kami ,  Kohichi Ohshima

    IPC分类号： G03G21/10

    CPC分类号： G03G21/0011 ,  G03G2215/00957

    摘要： The image forming apparatus includes a photoreceptor bearing an electrostatic image; a developing device developing the electrostatic image with a developer including a toner to form a toner image on the photoreceptor; a transferring device transferring the toner image onto a receiving material; and a cleaning device having a cleaning blade cleaning the surface of the photoreceptor. The photoreceptor includes an electroconductive substrate, a photosensitive layer and an outermost layer having projected portions thereon. The outermost layer and projected portions include the same crosslinked charge transport material. The outermost layer has a surface roughness property such that the number of projected portions having height greater than Rz/2 is from 40 to 90 in a length of 12 mm, wherein Rz represents ten-point mean roughness of the outermost layer. The tip of the cleaning blade is contacted with the photoreceptor at a linear pressure of from 80 g/cm to 150 g/cm.

    摘要翻译： 图像形成装置包括具有静电图像的感光体; 显影装置用包含调色剂的显影剂显影静电图像以在感光体上形成调色剂图像; 转印装置，将调色剂图像转印到接收材料上; 以及具有清洁感光体表面的清洁刮板的清洁装置。 感光体包括导电基底，感光层和在其上具有突出部分的最外层。 最外层和突出部分包括相同的交联电荷输送材料。 最外层具有表面粗糙度特性，使得高度大于Rz / 2的突出部分的数量在12mm的长度上为40至90，其中Rz表示最外层的十点平均粗糙度。 清洁刮板的尖端与感光体以80g / cm〜150g / cm的线性压力接触。

    Image forming method, and image forming apparatus and process cartridge using the image forming method
    2.
    发明授权
    Image forming method, and image forming apparatus and process cartridge using the image forming method 有权
    图像形成方法，以及使用图像形成方法的图像形成装置和处理盒

    公开(公告)号：US07662533B2

    公开(公告)日：2010-02-16

    申请号：US11165279

    申请日：2005-06-24

    申请人： Kohichi Ohshima ,  Yasuo Suzuki ,  Tetsuro Suzuki ,  Michitaka Sasaki

    发明人： Kohichi Ohshima ,  Yasuo Suzuki ,  Tetsuro Suzuki ,  Michitaka Sasaki

    IPC分类号： G03G15/20

    CPC分类号： G03G15/75 ,  G03G2215/00957 ,  G03G2215/0614

    摘要： An image forming method including: forming an electrostatic latent image on an image bearing member; developing the latent image with a toner; transferring the toner image onto a receiving material; and fixing the toner image. The image bearing member includes a substrate, and a charge generation layer, a charge transport layer and a crosslinked charge transport layer, wherein the crosslinked charge transport layer includes a compound obtained from radical polymerizable monomers including a monomer having three or more functional groups and no charge transport structure and a monomer having one functional group and a charge transport structure. The toner includes a binder resin, a colorant, and a release agent, wherein tetrahydrofuran-soluble components of the binder resin have a molecular weight distribution such that at least one peak is observed in a range of from 1,000 to 10,000 and the half-width of the molecular weight distribution curve is not greater than 15,000.

    摘要翻译： 一种图像形成方法，包括：在图像承载部件上形成静电潜像; 用调色剂显影潜像; 将调色剂图像转印到接收材料上; 并固定调色剂图像。 图像承载部件包括基板，电荷产生层，电荷输送层和交联电荷输送层，其中交联的电荷输送层包括由可自由基聚合的单体获得的化合物，所述单体包括具有三个或更多个官能团的单体， 电荷输送结构和具有一个官能团和电荷输送结构的单体。 调色剂包括粘合剂树脂，着色剂和脱模剂，其中粘合剂树脂的四氢呋喃可溶组分具有使得在1,000至10,000范围内观察到至少一个峰的分子量分布，并且半宽度 的分子量分布曲线不大于15,000。

    IMAGE BEARING MEMBER AND IMAGE FORMING METHOD USING THEREOF, AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
    3.
    发明申请
    IMAGE BEARING MEMBER AND IMAGE FORMING METHOD USING THEREOF, AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE 有权
    图像轴承会员和图像形成方法，以及图像形成装置和处理盒

    公开(公告)号：US20070212625A1

    公开(公告)日：2007-09-13

    申请号：US11621805

    申请日：2007-01-10

    申请人： Yasuo Suzuki ,  Kohichi Ohshima ,  Tetsuro Suzuki ,  Michitaka Sasaki

    发明人： Yasuo Suzuki ,  Kohichi Ohshima ,  Tetsuro Suzuki ,  Michitaka Sasaki

    IPC分类号： G03G5/047

    CPC分类号： G03G5/07 ,  G03G5/0542 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/0596 ,  G03G5/071 ,  G03G15/751

    摘要： The present invention provides an image bearing member that includes: a photoconductor; and a heating unit which heats the photoconductor, wherein the photoconductor includes: a support; a charge generating layer on the support, a charge transport layer, and a crosslinked charge transport layer in this order, wherein the crosslinked charge transport layer includes a reaction product of a radically polymerizable compound with three or more functional groups which does not have a charge transporting structure, and a radically polymerizable compound with one functional group, which compound has a charge transporting structure.

    摘要翻译： 本发明提供一种图像承载部件，其包括：感光体; 以及加热单元，其加热所述感光体，其中所述感光体包括：支撑体; 载体上的电荷产生层，电荷输送层和交联电荷输送层，其中交联电荷输送层包括可自由基聚合的化合物与不具有电荷的三个或更多个官能团的反应产物 具有一个官能团的自由基聚合性化合物，该化合物具有电荷输送结构。

    Image formation apparatus having a body to be charged with specified properties and including the use of a protective material
    7.
    发明授权
    Image formation apparatus having a body to be charged with specified properties and including the use of a protective material 有权
    图像形成装置，其具有被赋予特定特性并包括使用保护材料的主体

    公开(公告)号：US07251437B2

    公开(公告)日：2007-07-31

    申请号：US11068180

    申请日：2005-03-01

    申请人： Nozomu Tamoto ,  Tetsuro Suzuki ,  Yasuo Suzuki ,  Takahiko Tokumasu ,  Kazuhiko Watanabe ,  Hiroshi Nakai ,  Kohichi Ohshima ,  Noboru Tsukude ,  Nekka Matsuura

    发明人： Nozomu Tamoto ,  Tetsuro Suzuki ,  Yasuo Suzuki ,  Takahiko Tokumasu ,  Kazuhiko Watanabe ,  Hiroshi Nakai ,  Kohichi Ohshima ,  Noboru Tsukude ,  Nekka Matsuura

    IPC分类号： G03G15/00 ,  G03G15/02 ,  G03G15/18 ,  G03G21/00

    CPC分类号： G03G15/751 ,  G03G5/0546 ,  G03G5/0614 ,  G03G5/0679 ,  G03G5/14734 ,  G03G5/14791 ,  G03G21/0058

    摘要： An image formation apparatus including at least a moving body to be charged, a charging device for charging the body to be charged using discharge caused by applying a voltage to a charging member provided in contact with or proximity to the body to be charged, a latent image formation device for forming a latent image on a surface of the body to be charged which is charged by the charging device, and a development device for depositing toner on an image portion of the latent image formed by the latent image formation device, wherein an elastic displacement ratio τe for the surface of the body to be charged is equal to or greater than 40% which is defined by the following formula, elastic displacement ratio τe (%)=[(maximum displacement)-(plastic displacement)]/(maximum displacement)×100, and the image formation apparatus further includes a protective material feeding device for depositing a protective material on at least a discharge area of the surface of the body to be charged.

    摘要翻译： 一种图像形成装置，至少包括要充电的移动体，充电装置，用于通过向与被充电体接触或接近的充电构件施加电压而使待充电的体充电，潜在的 用于在由充电装置充电的被充电体的表面上形成潜像的图像形成装置，以及用于在由潜像形成装置形成的潜像的图像部分上沉积调色剂的显影装置，其中， 要充电的物体表面的弹性位移比值等于或大于40％，由以下公式定义：<？in-line-formula description =“In-line Formulas”end =“lead”？ >弹性位移比率（％）= [（最大位移） - （塑性位移）] /（最大位移）×100，<？在线公式描述=“在线公式”end =“tail”？>和 图像形成装置还包括保护材料 馈送装置，用于在要充电的身体的表面的至少一个放电区域上沉积保护材料。

    Image forming method, and image forming apparatus and process cartridge using the image forming method
    9.
    发明申请
    Image forming method, and image forming apparatus and process cartridge using the image forming method 审中-公开
    图像形成方法，以及使用图像形成方法的图像形成装置和处理盒

    公开(公告)号：US20060093955A1

    公开(公告)日：2006-05-04

    申请号：US11261751

    申请日：2005-10-31

    申请人： Kohichi Ohshima ,  Yasuo Suzuki ,  Tetsuro Suzuki ,  Michitaka Sasaki

    发明人： Kohichi Ohshima ,  Yasuo Suzuki ,  Tetsuro Suzuki ,  Michitaka Sasaki

    IPC分类号： G03G21/10

    CPC分类号： G03G21/0035 ,  G03G5/0542 ,  G03G5/0546 ,  G03G5/0592 ,  G03G5/1473 ,  G03G5/14734 ,  G03G5/14791 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08764 ,  G03G9/08791 ,  G03G9/08793 ,  G03G21/0076 ,  G03G2221/0005

    摘要： An image forming method including forming a toner image on an image bearing member; transferring the toner image onto a receiving material; and then cleaning the surface of the image bearing member with a cleaning member while applying a voltage to the cleaning member such that the cleaning member electrostatically attracts toner particles remaining on the image bearing member, wherein the image bearing member has, as an outermost layer, a crosslinked charge transport layer comprising a crosslinked resin including at least one unit obtained from at least one radical polymerizable polyfunctional monomer having three or more radical polymerizable functional groups and no charge transport structure, and a unit obtained from a radical polymerizable functional monomer having one or more radical polymerizable functional groups and a charge transport structure. An image forming apparatus and a process cartridge using the image forming method are also provided.

    摘要翻译： 一种图像形成方法，包括在图像承载部件上形成调色剂图像; 将调色剂图像转印到接收材料上; 然后用清洁部件清洁图像承载部件的表面，同时向清洁部件施加电压，使得清洁部件静电吸引残留在图像承载部件上的调色剂颗粒，其中，图像承载部件具有作为最外层的， 交联电荷传输层，其包含交联树脂，其包含至少一种由至少一种具有三个或更多个可自由基聚合的官能团并且不具有电荷传输结构的可自由基聚合的多官能单体获得的单元，以及由具有一个或多个 更自由基聚合的官能团和电荷输送结构。 还提供了一种使用图像形成方法的图像形成装置和处理盒。

    Image forming process, image forming apparatus, and process cartridge
    10.
    发明申请
    Image forming process, image forming apparatus, and process cartridge 审中-公开
    图像形成处理，图像形成装置和处理盒

    公开(公告)号：US20060068308A1

    公开(公告)日：2006-03-30

    申请号：US11229749

    申请日：2005-09-20

    申请人： Kohichi Ohshima ,  Yasuo Suzuki ,  Tetsuro Suzuki ,  Michitaka Sasaki

    发明人： Kohichi Ohshima ,  Yasuo Suzuki ,  Tetsuro Suzuki ,  Michitaka Sasaki

    IPC分类号： G03G5/047

    CPC分类号： G03G5/071 ,  G03G5/0542 ,  G03G5/0546 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/0614 ,  G03G5/0668 ,  G03G5/1473 ,  G03G5/14734 ,  G03G5/14786 ,  G03G5/14791 ,  G03G5/14795 ,  G03G9/10 ,  G03G9/113

    摘要： An image forming process is provided, which is consisting of forming step for forming a latent electrostatic image on a photoconductor, developing step, transferring step, and fixing step, wherein the photoconductor contains the crosslinked charge transporting layer containing a cured product formed from at least a radical polymerizable compound having three or more functionalities and no charge transport structure, and a radical polymerizable compound having one functionality and a charge transport structure, wherein the developer includes a toner and a carrier, the carrier has core particles and a coating layer for coating the core particles, the content of the core particles having a particle diameter of smaller than 44 μm in the carrier is 70% by mass or more, and the content of the core particles having a particle diameter of smaller than 22 μm in the carrier is 7% by mass or less, a mass average particle diameter of the carrier (Dw) is 25 μm to 45 μm, and a ratio (Dw/Dp) of Dw to a number average particle diameter (Dp) is 1 to 1.30.

    摘要翻译： 提供一种图像形成方法，其包括在感光体上形成静电潜像的形成步骤，显影步骤，转印步骤和定影步骤，其中光电导体含有包含至少形成的固化产物的交联电荷输送层 具有三个或更多个官能团和电荷传输结构的自由基聚合性化合物和具有一个官能度和电荷传输结构的自由基聚合性化合物，其中显影剂包括调色剂和载体，载体具有核心颗粒和涂层用涂层 芯粒子中，载体中粒径小于44μm的核心粒子的含量为70质量％以上，载体中粒径小于22μm的核粒子的含量为 7质量％以下，载体的质量平均粒径（Dw）为25〜45μm，D（Dw / Dp）的比例 w的数均粒径（Dp）为1〜1.30。