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1. 发明公开

EP2708951A1 Carrier for two-component developer, electrostatic latent image developer, and image forming method 有权
标题翻译：载体用于显影静电潜像，双组分显影剂和图像形成方法
公开(公告)号：EP2708951A1
公开(公告)日：2014-03-19
申请号：EP13181213.3
申请日：2013-08-21
申请人： Ricoh Company, Ltd.
发明人： Yaguchi, Shigenori , Tohmatsu, Hiroshi , Sakata, Koichi , Iwatsuki, Hitoshi , Kishida, Hiroyuki , Tano, Toyoaki , Mashiko, Kenichi
IPC分类号： G03G9/113 , G03G9/107
CPC分类号： G03G15/0928 , G03G9/1075 , G03G9/1131 , G03G9/1136 , G03G9/1139
摘要： A carrier for developing electrostatic latent images produced in an image developer includes a magnetic particulate core material and a covering layer covering the surface of the core material. The image developer includes an image bearer, a developer bearer including comprising a magnetic field generator inside and a developer regulation member facing the surface of the image developer with a predetermined gap. The carrier has a bulk density of from 1.6 to 2.25 g/cm 3 , a BET specific surface area of from 0.5 to 2.0 m 3 /g, a saturated magnetization (σ5000) not less than 70 emu/g at 5kOe, and a residual magnetization (σr) not greater than 2 emu/g.
摘要翻译：一种用于显影在图像显影剂产生的静电潜像载体包括磁性颗粒芯材料和覆盖该芯材的表面的覆盖层。图像显影剂包括图像承载，显影剂承载包括包含内部的磁场发生器和图像显影剂的表面面向与规定的间隙的显影剂调节构件。所述载体具有从1.6到2.25的堆积密度克/厘米3，为0.5至2.0米3 /克，饱和磁化强度（A5000）未在5kOe小于70鸸鹋/克，和剩余的BET比表面积磁化（AR）不大于2鸸鹋/ g以上。

2. 发明公开

EP3719578A1 ELECTROPHOTOGRAPHIC DEVELOPER, REPLENISHMENT DEVELOPER, IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING METHOD 审中-公开
公开(公告)号：EP3719578A1
公开(公告)日：2020-10-07
申请号：EP20166602.1
申请日：2020-03-30
申请人： Ricoh Company, Ltd.
发明人： Takeuchi, Kento , Makibe, Yutaka , Mashiko, Kenichi , Taikoji, Masato , Niwayama, Kei
IPC分类号： G03G9/097 , G03G9/113 , G03G9/10
摘要： An electrophotographic developer is provided. The electrophotographic developer comprises a toner and a carrier. The toner contains alumina particles. The carrier comprises a core particle and a resin layer coating a surface of the core particle. The carrier has a volume average particle diameter (Dv) of from 45 to 70 µm and a bulk density of from 2.1 to 2.5 g/cm 3 .

3. 发明授权

EP2708951B1 Carrier for two-component developer, electrostatic latent image developer, and image forming method 有权
标题翻译：载体用于显影静电潜像，双组分显影剂和图像形成方法
公开(公告)号：EP2708951B1
公开(公告)日：2016-05-25
申请号：EP13181213.3
申请日：2013-08-21
申请人： Ricoh Company, Ltd.
发明人： Yaguchi, Shigenori , Tohmatsu, Hiroshi , Sakata, Koichi , Iwatsuki, Hitoshi , Kishida, Hiroyuki , Tano, Toyoaki , Mashiko, Kenichi
IPC分类号： G03G9/113 , G03G9/107
CPC分类号： G03G15/0928 , G03G9/1075 , G03G9/1131 , G03G9/1136 , G03G9/1139

4. 发明授权

EP2595000B1 Belt for an image forming apparatus, and image forming apparatus 有权
公开(公告)号：EP2595000B1
公开(公告)日：2020-05-06
申请号：EP12192716.4
申请日：2012-11-15
申请人： Ricoh Company, Ltd.
发明人： Kubo, Hidetaka , Aoto, Jun , Mashiko, Kenichi , Katoh, Sayaka , Aoki, Daisuke
IPC分类号： G03G15/16

5. 发明公开

EP2595000A3 Belt for an image forming apparatus, and image forming apparatus 有权
标题翻译：带的图像形成装置和图像形成装置
公开(公告)号：EP2595000A3
公开(公告)日：2016-03-30
申请号：EP12192716.4
申请日：2012-11-15
申请人： Ricoh Company, Ltd.
发明人： Kubo, Hidetaka , Aoto, Jun , Mashiko, Kenichi , Katoh, Sayaka , Aoki, Daisuke
IPC分类号： G03G15/16
摘要： To provide a belt for an image forming apparatus, which contains: a base layer (11); an elastic layer (12); and spherical particles (13), wherein the belt for an image forming apparatus is provided across a plurality of rollers of the image forming apparatus to rotate, wherein the belt for an image forming apparatus has a laminate structure where at least the base layer (11) and the elastic layer (12) are provided in this order, wherein the spherical particles (13) are partially embedded in an exposed surface of the elastic layer (12), and wherein, relative to a width direction of the belt for an image forming apparatus, a thickness of an edge portion of the belt for an image forming apparatus is 50% to 95% of a thickness of a center portion of the belt for an image forming apparatus, and an edge curling amount of the belt is 4 mm or less.

6. 发明授权

EP2357535B1 Intermediate transfer belt, method for producing the same, and image forming apparatus 有权
标题翻译：中间转印带，其制造方法和图像形成装置
公开(公告)号：EP2357535B1
公开(公告)日：2016-03-30
申请号：EP11151447.7
申请日：2011-01-19
申请人： Ricoh Company, Ltd
发明人： Aoto, Jun , Kubo, Hidetaka , Mashiko, Kenichi , Katoh, Sayaka , Nitta, Shinichi , Oonuma, Shigeo
IPC分类号： G03G15/16
CPC分类号： G03G15/162 , G03G15/14 , G03G15/16
摘要： An intermediate transfer belt including a resin layer, which is a surface layer of the intermediate transfer belt, wherein the resin layer has a concavo-convex pattern formed by spherical resin particles which are independently embedded in the resin layer so that the embedment rate of the spherical resin particles in the thickness direction of the resin layer is higher than 50% but lower than 100%.

7. 发明公开

EP2595000A2 Belt for an image forming apparatus, and image forming apparatus 有权
标题翻译： Gurtfüreine Bilderzeugungsvorrichtung und Bilderzeugungsvorrichtung
公开(公告)号：EP2595000A2
公开(公告)日：2013-05-22
申请号：EP12192716.4
申请日：2012-11-15
申请人： Ricoh Company, Ltd.
发明人： Kubo, Hidetaka , Aoto, Jun , Mashiko, Kenichi , Katoh, Sayaka , Aoki, Daisuke
IPC分类号： G03G15/16
摘要： To provide a belt for an image forming apparatus, which contains: a base layer (11); an elastic layer (12); and spherical particles (13), wherein the belt for an image forming apparatus is provided across a plurality of rollers of the image forming apparatus to rotate, wherein the belt for an image forming apparatus has a laminate structure where at least the base layer (11) and the elastic layer (12) are provided in this order, wherein the spherical particles (13) are partially embedded in an exposed surface of the elastic layer (12), and wherein, relative to a width direction of the belt for an image forming apparatus, a thickness of an edge portion of the belt for an image forming apparatus is 50% to 95% of a thickness of a center portion of the belt for an image forming apparatus, and an edge curling amount of the belt is 4 mm or less.
摘要翻译：为了提供一种用于图像形成装置的带，其包括：基底层（11）; 弹性层（12）; 和球形颗粒（13），其中用于图像形成装置的带横跨图像形成装置的多个辊设置以旋转，其中用于图像形成装置的带具有层压结构，其中至少基底层（11 ）和弹性层（12），其中球形颗粒（13）部分地嵌入在弹性层（12）的暴露表面中，并且其中相对于图像的带的宽度方向成像装置中，用于图像形成装置的带的边缘部分的厚度为图像形成装置的带的中心部分的厚度的50％至95％，并且带的边缘卷曲量为4mm 或更少。

8. 发明公开

EP2523050A1 Intermediate transfer belt and image forming apparatus 有权
标题翻译： Zwischenübertragungsbandund Bilderzeugungsvorrichtung
公开(公告)号：EP2523050A1
公开(公告)日：2012-11-14
申请号：EP12159724.9
申请日：2012-03-15
申请人： Ricoh Company, Ltd.
发明人： Kubo, Hidetaka , Aoto, Jun , Mashiko, Kenichi
IPC分类号： G03G15/16
CPC分类号： G03G15/162 , G03G2215/0177
摘要： To provide an intermediate transfer belt, containing a base (11), an elastic layer (12) formed on the base (11), and spherical particles (13) deposited on a surface of the elastic layer (12), in which wherein the elastic layer (12) has micro rubber hardness of 40° or lower in the environment of 10°C and 15% RH (relative humidity), and the intermediate transfer belt is designed to be mounted in an image forming apparatus.
摘要翻译：为了提供一种中间转印带，其包含基底（11），形成在基底（11）上的弹性层（12）和沉积在弹性层（12）的表面上的球形颗粒（13），其中在10℃，15％RH（相对湿度）的环境下，弹性层（12）的微观橡胶硬度为40度以下，中间转印带被设计成安装在图像形成装置中。

9. 发明公开

EP2485094A1 Intermediate transfer belt, image forming apparatus, and method for producing intermediate transfer belt 有权
标题翻译：中间转印带，用于中间转印带的制备中的图像形成装置和处理
公开(公告)号：EP2485094A1
公开(公告)日：2012-08-08
申请号：EP12154296.3
申请日：2012-02-07
申请人： Ricoh Company, Ltd.
发明人： Mashiko, Kenichi , Aoto, Jun , Kubo, Hidetake , Katoh, Sayaka , Nitta, Shinichi
IPC分类号： G03G15/16
CPC分类号： G03G15/161 , G03G15/162 , G03G2215/1623
摘要： An intermediate transfer belt configured to receive a toner image formed by developing, with a toner, a latent image on an image bearing member, the intermediate transfer belt including a base layer (1) and an elastic layer (2) laid on the base layer, wherein the elastic layer includes spherical resin particles (3) and a layer formed of an elastic body (4), and has a concavo-convex pattern in a surface of the elastic layer, wherein the spherical resin particles are arranged in a plane direction in the surface of the elastic layer, and wherein the intermediate transfer belt has glossiness of 35% or higher as determined based on reflected light at 85° on the surface of the intermediate transfer belt.
摘要翻译：配置中间转印带以接收由显影形成的调色剂图像，具有调色剂，潜像的图像承载部件上，在中间转印带具有基材层（1）和弹性体层（2）放置在基层上，worin弹性层包括球形树脂颗粒（3）和形成的弹性体（4）构成的层，并且具有在弹性层的表面的凹凸图案，worin的球形树脂颗粒被布置在平面内方向在弹性层的表面上，和worin中间转印带具有35％或更高的光泽度为确定性开采根据反射的光在中间转印带的表面上的85°。

10. 发明公开

EP2390729A1 Intermediate transfer belt, electrophotographic apparatus and method for producing the belt 有权
标题翻译： Zwischenübertragungsband，elektrophotografische Vorrichtung und Verfahren zur Herstellung des Bandes
公开(公告)号：EP2390729A1
公开(公告)日：2011-11-30
申请号：EP11167312.5
申请日：2011-05-24
申请人： Ricoh Company, Ltd.
发明人： Aoto, Jun , Kubo, Hidetaka , Mashiko, Kenichi , Katoh, Sayaka , Nitta, Shinichi
IPC分类号： G03G15/16
CPC分类号： G03G15/162 , G03G15/1605 , G03G15/161
摘要： An intermediate transfer belt (28) for use in an electrophotographic apparatus includes, as an outermost surface thereof, uniform convex regions (22) formed by aligning independent spherical resin particles (22) in a surface direction, and depressed regions (23) formed of a lubricant layer which respectively lie between the convex regions (22).
摘要翻译：用于电子照相设备的中间转印带（28）包括作为其最外表面的由表面方向排列独立的球形树脂颗粒（22）而形成的均匀的凸起区域（22）和由分别位于凸区域（22）之间的润滑剂层。

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