公开(公告)号：US5550000A

公开(公告)日：1996-08-27

申请号：US417886

申请日：1995-04-06

申请人： Ichiro Takegawa ,  Shigeto Hashiba ,  Hiroshi Miyamoto ,  Nobuyuki Ichizawa

发明人： Ichiro Takegawa ,  Shigeto Hashiba ,  Hiroshi Miyamoto ,  Nobuyuki Ichizawa

IPC分类号： G03G5/00 ,  C09C3/12 ,  G03G5/05 ,  G03G5/14 ,  G03G5/06 ,  G03G5/047

CPC分类号： G03G5/142 ,  C09C3/12 ,  G03G5/0525 ,  C01P2004/84

摘要： A process for the preparation of an electrophotographic photoreceptor having a high sensitivity and stability and an excellent product quality stability without being affected by the production environment is disclosed, which comprises coating on a substrate a functional layer-forming coating solution containing a compound which undergoes polycondensation upon hydrolysis, adjusting a temperature of said substrate having the coated layer such that relationship (1) is satisfied, and then moistening said coated layer at a temperature of 30.degree. C. to 180.degree. C. in an atmosphere of a dew point of 25.degree. C. to 80.degree. C.:DP.ltoreq.ST.ltoreq.DP+40.degree. C. (1)wherein DP represents the dew point upon said moistening and ST represents the temperature of the substrate just before said moistening.

摘要翻译： 公开了一种用于制备具有高灵敏度和稳定性以及优异的产品质量稳定性而不受生产环境影响的电子照相感光体的方法，其包括在基材上涂覆含有经历缩聚的化合物的功能层形成涂层溶液 在水解时，调节具有涂层的所述基材的温度使得满足关系（1），然后在露点25℃的气氛中在30℃至180℃的温度下润湿所述涂层 ℃至80℃：DP

公开(公告)号：US08792813B2

公开(公告)日：2014-07-29

申请号：US13401114

申请日：2012-02-21

申请人： Nobuyuki Ichizawa

发明人： Nobuyuki Ichizawa

IPC分类号： G03G15/16

CPC分类号： G03G15/1685 ,  G03G2215/0132

摘要： A transfer roll includes a cylindrical conductive substrate; an inner elastic layer having an Asker-C hardness of from 5° to 20°; and an outer elastic layer having an Asker-C hardness of from 30° to 45° in this order, wherein the transfer roll satisfies the following Expression (1): ρ0(in)>ρ0(out)  Expression (1): wherein ρ0(in) is a volume resistivity of the inner elastic layer that is measured by applying an applied voltage of 1000 V in an environment of a temperature of 22° C. and a humidity of 55 RH % in an unloaded state, and ρ0(out) is a volume resistivity of the outer elastic layer that is measured by applying an applied voltage of 1000 V in an environment of a temperature of 22° C. and a humidity of 55 RH % in an unloaded state.

摘要翻译： 转印辊包括圆柱形导电基底; 具有5°至20°的Asker-C硬度的内部弹性层; 以及具有30°至45°的Asker-C硬度的外部弹性层，其中转印辊满足以下表达式（1）：＆lt; rgr 0（in）＆gt; 0（out）表达式（1） ）：其中，0（in）是通过在未加载的温度在22℃和55％RH的温度的环境中施加1000V的施加电压而测量的内部弹性层的体积电阻率 状态和＆lt; r 0 0（out）是外部弹性层的体积电阻率，其通过在未加载的温度下在22℃和55％RH的温度的环境中施加1000V的施加电压来测量 州。

公开(公告)号：US20130216280A1

公开(公告)日：2013-08-22

申请号：US13571579

申请日：2012-08-10

申请人： Nobuyuki Ichizawa

发明人： Nobuyuki Ichizawa

IPC分类号： G03G15/16

CPC分类号： G03G15/16 ,  G03G15/1605 ,  G03G15/1685

摘要： A transfer roller includes a conductive support, a first conductive elastic layer disposed on the conductive support, and a second conductive elastic layer disposed on the first conductive elastic layer. A common logarithm of surface resistivity of the second conductive elastic layer is higher than a common logarithm of volume resistivity of the second conductive elastic layer by about 1 or more.

摘要翻译： 转印辊包括导电支撑体，设置在导电支撑体上的第一导电弹性层和设置在第一导电弹性层上的第二导电弹性层。 第二导电性弹性层的表面电阻率的常用对数比第二导电性弹性层的体积电阻率的常用对数高约1以上。

公开(公告)号：US08145106B2

公开(公告)日：2012-03-27

申请号：US12235221

申请日：2008-09-22

申请人： Masahiko Miyamoto ,  Nobuyuki Ichizawa ,  Yousuke Tsutsumi ,  Taku Fukuhara

发明人： Masahiko Miyamoto ,  Nobuyuki Ichizawa ,  Yousuke Tsutsumi ,  Taku Fukuhara

IPC分类号： G03G15/01

CPC分类号： G03G15/162 ,  G03G15/1615 ,  G03G2215/0129

摘要： The invention provides an annular body provided at an image forming apparatus, the annular body has at least an outermost periphery layer and an innermost periphery layer, each of which comprise carbon black, and a content of carbon black contained per unit of volume of the outermost periphery layer being smaller than a content of carbon black contained per unit of volume of the innermost periphery layer. The invention further provides an annular body stretching device, having at least the annular body and a plurality of annular body stretching units rotatably stretching the annular body at an inner surface of the annular body. The invention further provides an image forming apparatus having at least an image holder, a charging device, an exposing device, a developing device, a first transferring device, a second transferring device, and a fixing device, in which the intermediate transfer belt is the annular body.

摘要翻译： 本发明提供了一种设置在图像形成装置上的环形体，环形体具有至少最外周层和最内周边层，每一个包含炭黑，并且每单位体积的最外面的碳黑含量 周边层小于最内周边层的每单位体积所含的炭黑含量。 本发明还提供了一种环形体拉伸装置，至少具有环形体和多个环形体拉伸单元，其在环形体的内表面处可旋转地拉伸环形体。 本发明还提供一种图像形成装置，其至少具有图像保持器，充电装置，曝光装置，显影装置，第一转印装置，第二转印装置和定影装置，其中中间转印带是 环形体。

公开(公告)号：US08032067B2

公开(公告)日：2011-10-04

申请号：US12411028

申请日：2009-03-25

申请人： Masahiko Miyamoto ,  Nobuyuki Ichizawa ,  Yousuke Tsutsumi

发明人： Masahiko Miyamoto ,  Nobuyuki Ichizawa ,  Yousuke Tsutsumi

IPC分类号： G03G15/08 ,  G03G15/01 ,  G03G15/20

CPC分类号： G03G15/162

摘要： This invention provides a circular body, which is used for an image forming apparatus employing an electrophotographic system, the circular body containing: at least an inner layer containing resin and an outer layer that is laminated on an outer circumferential surface side of the inner layer and contains resin; and, as a conductive agent, polyaniline in the outer layer and carbon black in the inner layer; and satisfying the following relational expressions (1) and (2): 13.0≦C1≦15.0  (1) 21.5≦C2≦25.0  (2), wherein C1 represents the content (parts by weight) of the polyaniline with respect to 100 parts by weight of the resin forming the outer layer, and C2 represents the content (parts by weight) of the carbon black with respect to 100 parts by weight of the resin forming the inner layer, as well as a circular body unit using the circular body and an image forming apparatus using the circular body.

摘要翻译： 本发明提供一种圆形体，其用于使用电子照相系统的图像形成装置，该圆体包含至少内层树脂和层叠在内层的外周面上的外层， 含树脂; 并且作为导电剂，外层中的聚苯胺和内层中的炭黑; 并且满足以下关系式（1）和（2）：13.0＆nlE; C1＆nlE; 15.0（1）21.5＆nlE; C2＆nlE; 25.0（2）其中C1表示聚苯胺的含量（重量份）相对于100 形成外层的树脂的重量份，C2表示相对于形成内层的树脂100重量份的炭黑的含量（重量份），以及使用该圆形体的圆体单元 身体和使用该圆形体的图像形成装置。

公开(公告)号：US5449573A

公开(公告)日：1995-09-12

申请号：US132251

申请日：1993-10-06

申请人： Kazuaki Aoki ,  Nobuyuki Ichizawa ,  Wataru Nakabayashi ,  Hiroshi Miyamoto ,  Koichi Yasaku ,  Masaaki Suwabe ,  Naohiko Tsuyuki

发明人： Kazuaki Aoki ,  Nobuyuki Ichizawa ,  Wataru Nakabayashi ,  Hiroshi Miyamoto ,  Koichi Yasaku ,  Masaaki Suwabe ,  Naohiko Tsuyuki

IPC分类号： G03G5/05 ,  G03G5/14

CPC分类号： G03G5/144 ,  G03G5/142

摘要： There is disclosed a process for manufacturing an electrophotographic photoreceptor having no coating defect, a high charging performance, an excellent stability in a repeated use, and no image quality defect. The manufacturing process comprises the steps of coating a subbing layer-forming coating solution on the conductive substrate under an environment having a dew-point temperature in the range of from 5.degree. C. to 10.degree. C.; drying the coated solution under an environment having a dew-point temperature in the range of from 10.degree. C. to 20.degree. C. to prepare a subbing layer; coating a photosensitive layer-forming coating solution on the subbing layer under an environment having a dew-point temperature in the range of from 5.degree. C. to 10.degree. C.; and drying the coated solution under an environment having a dew-point temperature in the range of from 10.degree. C. to 20.degree. C. to prepare a photosensitive layer.

摘要翻译： 公开了一种制造没有涂层缺陷的电子照相感光体的方法，高充电性能，在重复使用中优异的稳定性，并且没有图像质量缺陷。 制造方法包括以下步骤：在露点温度为5℃〜10℃的环境下，在导电性基材上涂布底涂层形成用涂布液。 在露点温度为10℃〜20℃的环境下干燥涂布液，制备底层; 在露点温度在5℃〜10℃的环境下，在底层上涂布感光层形成用涂布液。 并在露点温度为10℃至20℃的环境下干燥涂布的溶液以制备感光层。