公开(公告)号：US20130071781A1

公开(公告)日：2013-03-21

申请号：US13351783

申请日：2012-01-17

申请人： Yutaka SAITO ,  Sakon TAKAHASHI ,  Katsuyuki KITAJIMA ,  Michio TAKE

发明人： Yutaka SAITO ,  Sakon TAKAHASHI ,  Katsuyuki KITAJIMA ,  Michio TAKE

IPC分类号： G03G9/00 ,  G03G15/08

CPC分类号： G03G9/0812 ,  G03G9/09716 ,  G03G9/09725

摘要： An electrostatic charge image developing toner includes toner particles and an external additive. The toner particles have a moisture content of from 0.1 mass % to 5.0 mass %, and the external additive has a volume average particle diameter of from about 70 nm to about 400 nm and an average circularity of from 0.5 to 0.9.

摘要翻译： 静电荷图像显影调色剂包括调色剂颗粒和外部添加剂。 调色剂颗粒的水分含量为0.1质量％至5.0质量％，外部添加剂的体积平均粒径为约70nm至约400nm，平均圆形度为0.5至0.9。

公开(公告)号：US20130108949A1

公开(公告)日：2013-05-02

申请号：US13432918

申请日：2012-03-28

申请人： Katsuyuki KITAJIMA ,  Yutaka SAITO ,  Sakon TAKAHASHI ,  Michio TAKE

发明人： Katsuyuki KITAJIMA ,  Yutaka SAITO ,  Sakon TAKAHASHI ,  Michio TAKE

IPC分类号： G03G9/00 ,  G03G21/18 ,  G03G15/08

CPC分类号： G03G9/097 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/09733 ,  G03G21/0011

摘要： An electrostatic charge image developing toner includes: toner particles; and an external additive having an average particle diameter of from about 70 nm to about 420 nm, an average circularity of equal to or less than about 0.9, and a standard deviation of the circularity of greater than 0.2.

摘要翻译： 静电荷图像显影调色剂包括：调色剂颗粒; 和平均粒径为约70nm至约420nm，平均圆形度等于或小于约0.9的外部添加剂和圆形度的标准偏差大于0.2。

公开(公告)号：US20110229812A1

公开(公告)日：2011-09-22

申请号：US12875531

申请日：2010-09-03

申请人： Sakon TAKAHASHI ,  Motoko Sakai ,  Yutaka Saito ,  Katsuyuki Kitajima

发明人： Sakon TAKAHASHI ,  Motoko Sakai ,  Yutaka Saito ,  Katsuyuki Kitajima

IPC分类号： G03G9/00 ,  G03G15/08

CPC分类号： G03G9/097 ,  G03G9/0819 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/10 ,  G03G9/107 ,  G03G9/1133 ,  G03G9/1134 ,  G03G9/1139

摘要： A two-component developer includes: a toner; a carrier having a surface energy of from about 23 dyne/cm to about 37 dyne/cm; and an external additive having a shape factor SF1 of from about 130 to about 150 and a number-average particle diameter of from about 80 nm to about 1 μm; and an existence ratio A of the external additive on a surface of the toner and an existence ratio B of the external additive on a surface of the carrier satisfying the relationship of the following Expression 1: 0.04≦B/A≦0.4.

摘要翻译： 双组分显影剂包括：调色剂; 具有约23达因/厘米至约37达因/厘米的表面能的载体; 以及形状因子SF1为约130至约150，数均粒径为约80nm至约1μm的外部添加剂; 和调色剂表面上的外部添加剂的存在比率A和载体表面上的外部添加剂的存在比率B满足以下表达式1的关系：0.04＆nlE; B / A＆nlE; 0.4。

公开(公告)号：US20100233615A1

公开(公告)日：2010-09-16

申请号：US12558074

申请日：2009-09-11

申请人： Sakon TAKAHASHI ,  Norihito FUKUSHIMA ,  Shunsuke NOZAKI ,  Michio TAKE

发明人： Sakon TAKAHASHI ,  Norihito FUKUSHIMA ,  Shunsuke NOZAKI ,  Michio TAKE

IPC分类号： G03G5/00

CPC分类号： G03G9/1131 ,  G03G9/1075 ,  G03G9/1137 ,  G03G9/1139

摘要： A method of producing a carrier for electrophotography includes: covering a surface of a core particle with a coating layer including resin particles and a crosslinking resin in an uncrosslinked state present in spaces between the resin particles; and applying a mechanical impact from the outer surface of the coating layer before crosslinking of the crosslinking resin.

摘要翻译： 一种电子照相用载体的制造方法，其特征在于，在树脂粒子间存在的未交联状态下，用包含树脂粒子和交联树脂的被覆层覆盖芯粒子的表面， 并在交联树脂交联之前从涂层的外表面施加机械冲击。

公开(公告)号：US20090233211A1

公开(公告)日：2009-09-17

申请号：US12260684

申请日：2008-10-29

申请人： Sakon TAKAHASHI ,  Daisuke ISHIZUKA ,  Michio TAKE ,  Seijiro ISHIMARU ,  Chiaki SUZUKI

发明人： Sakon TAKAHASHI ,  Daisuke ISHIZUKA ,  Michio TAKE ,  Seijiro ISHIMARU ,  Chiaki SUZUKI

IPC分类号： G03G9/087 ,  G03G13/20 ,  G03G15/08

CPC分类号： G03G9/08755 ,  G03G9/0823 ,  G03G9/08782 ,  G03G9/08786 ,  G03G9/1136

摘要： A positively chargeable two-component developer, including at least a toner and a carrier, wherein the toner contains a binder resin, a colorant, a wax, and a charge control agent, the binder resin contains at least a polyester resin and an addition polymerization resin grafted with a polyolefin, the wax and the addition polymerization resin grafted with a polyolefin are contained at a wax:addition polymerization resin grafted with a polyolefin ratio of from about 40:60 to about 80:20, and the carrier is a magnetic powder having a coating layer containing a methyl-containing silicone resin.

摘要翻译： 一种可带正​​电荷的双组分显影剂，包括至少一种调色剂和载体，其中调色剂含有粘合剂树脂，着色剂，蜡和电荷控制剂，该粘合剂树脂至少含有一种聚酯树脂和一种加成聚合 用聚烯烃接枝的树脂，蜡和接枝有聚烯烃的加成聚合树脂包含在蜡：接枝聚烯烃比为约40:60至约80:20的加成聚合树脂中，载体是磁性粉末 具有含有含甲基的有机硅树脂的涂层。

公开(公告)号：US20120107739A1

公开(公告)日：2012-05-03

申请号：US13094253

申请日：2011-04-26

申请人： Takayuki YAMASHITA ,  Kazuhiko ARAI ,  Kunihiko SATO ,  Haruhide ISHIDA ,  Michio TAKE ,  Sakon TAKAHASHI ,  Fusako KIYONO ,  Yoshifumi IIDA ,  Mona TASAKI

发明人： Takayuki YAMASHITA ,  Kazuhiko ARAI ,  Kunihiko SATO ,  Haruhide ISHIDA ,  Michio TAKE ,  Sakon TAKAHASHI ,  Fusako KIYONO ,  Yoshifumi IIDA ,  Mona TASAKI

IPC分类号： G03G15/09 ,  G03G21/00 ,  G03G21/18

CPC分类号： G03G21/0094 ,  G03G9/0819 ,  G03G9/08755 ,  G03G9/08797 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/113

摘要： The present invention provides an electrostatic latent image developer used in an image forming apparatus including: an image holding member; a charging unit; a latent image forming unit; a developing unit which stores the electrostatic latent image developer and includes a developer holding member, wherein the developing unit develops the electrostatic latent image formed on the image holding member by bringing a magnetic brush, which is formed on a surface of the developer holding member by the electrostatic latent image developer, into contact with the image holding member, to form a toner image; a transfer unit; a cleaning unit; and a lubricant applying unit, wherein the electrostatic latent image developer contains a toner having a 50% integrated volume particle diameter of from 3.0 to 6.0 μm, and a carrier having a mean magnetization of 5.0×10−16 to 4.0×10−15 AM2/particle in an applied magnetic field of 1 kilo-oersted.

摘要翻译： 本发明提供一种图像形成装置中使用的静电潜像显影剂，包括：图像保持部件; 充电单元; 潜像形成单元; 显影单元，其存储静电潜像显影剂并且包括显影剂保持部件，其中，显影单元通过使形成在显影剂保持部件的表面上的磁刷被形成在图像保持部件上而形成的静电潜像 静电潜像显影剂与图像保持部件接触以形成调色剂图像; 转运单位 清洁单元; 以及润滑剂涂布单元，其中所述静电潜像显影剂含有具有3.0至6.0μm的一体积体积的50％的调色剂和平均磁化强度为5.0×10-16至4.0×10-15AM2的载体 /颗粒在1千奥斯特施加的磁场中。

公开(公告)号：US20120093543A1

公开(公告)日：2012-04-19

申请号：US13204316

申请日：2011-08-05

申请人： Miho IKEDA ,  Sakon TAKAHASHI ,  Kazuhiko ARAI ,  Haruhide ISHIDA ,  Michio TAKE ,  Kunihiko SATO ,  Yoshinori KUBO ,  Fusako KIYONO

发明人： Miho IKEDA ,  Sakon TAKAHASHI ,  Kazuhiko ARAI ,  Haruhide ISHIDA ,  Michio TAKE ,  Kunihiko SATO ,  Yoshinori KUBO ,  Fusako KIYONO

IPC分类号： G03G15/09

CPC分类号： G03G15/09 ,  G03G9/0819 ,  G03G9/1075 ,  G03G2215/00957 ,  G03G2215/0609

摘要： An electrostatic latent image developer contains a toner having a volume-average particle diameter of about 2.0 μm to about 6.5 μm, and a carrier whose average magnetization per carrier particle at an applied magnetic field of 1 kilooersted is about 3.0×10−16 Am2/particle to about 3.0×10−15 Am2/particle, wherein the electrostatic latent image developer is used in an image forming apparatus including an image-carrying member having a top surface layer composed of a cured film containing fluorocarbon resin particles, a developing unit that develops an electrostatic latent image formed on the image-carrying member to form a toner image by bringing a magnetic brush formed of the electrostatic latent image developer and having a brush roughness of about 300 μm to about 850 μm into contact with the image-carrying member, and a cleaning unit that includes a cleaning blade.

摘要翻译： 静电潜像显影剂含有体积平均粒径为约2.0μm至约6.5μm的调色剂，并且在1kostst的施加磁场下载体颗粒的平均磁化强度为约3.0×10-16 Am 2 / 颗粒至约3.0×10 -15 Am 2 /颗粒，其中所述静电潜像显影剂用于包括具有由含有氟碳树脂颗粒的固化膜构成的顶表面层的图像承载构件的图像形成装置，显影单元， 通过使由静电潜像显影剂形成的具有约300μm至约850μm的刷子粗糙度的磁刷与图像承载构件接触来形成形成在图像承载构件上的静电潜像以形成调色剂图像， 以及包括清洁刮板的清洁单元。

公开(公告)号：US20130065170A1

公开(公告)日：2013-03-14

申请号：US13352821

申请日：2012-01-18

申请人： Yasuo KADOKURA ,  Shunsuke NOZAKI ,  Hideaki YOSHIKAWA ,  Shinichiro KAWASHIMA ,  Sakae TAKEUCHI ,  Yuka ZENITANI ,  Sakon TAKAHASHI ,  Hiroyoshi OKUNO

发明人： Yasuo KADOKURA ,  Shunsuke NOZAKI ,  Hideaki YOSHIKAWA ,  Shinichiro KAWASHIMA ,  Sakae TAKEUCHI ,  Yuka ZENITANI ,  Sakon TAKAHASHI ,  Hiroyoshi OKUNO

IPC分类号： G03G9/00 ,  G03G15/08

CPC分类号： G03G9/0821 ,  G03G9/0819 ,  G03G9/0823 ,  G03G9/08797 ,  G03G9/09716 ,  G03G9/09725 ,  G03G15/0806

摘要： An electrostatic charge image developing toner includes: toner particles; and an external additive. The external additive contains sol-gel silica having a volume average particle diameter of from about 70 nm to about 400 nm and an average circularity of from about 0.5 to about 0.9, and a dielectric loss factor of the toner is from about 5×10−3 to about 30×10−3 when the toner is kept for 24 hours under the environment of a temperature of 28° C. and a humidity of 85%.

摘要翻译： 静电荷图像显影调色剂包括：调色剂颗粒; 和外部添加剂。 外部添加剂含有体积平均粒径为约70nm至约400nm，平均圆形度为约0.5至约0.9的溶胶 - 凝胶二氧化硅，并且调色剂的介电损耗因子为约5×10 -5 当调色剂在温度28℃，湿度85％的环境下保持24小时时，为3〜约30×10 -3。

公开(公告)号：US20110076606A1

公开(公告)日：2011-03-31

申请号：US12726004

申请日：2010-03-17

申请人： Satoshi KAMIWAKI ,  Akira MATSUMOTO ,  Sakon TAKAHASHI

发明人： Satoshi KAMIWAKI ,  Akira MATSUMOTO ,  Sakon TAKAHASHI

IPC分类号： G03G9/00 ,  G03G15/08

CPC分类号： G03G9/0812 ,  G03G9/08764 ,  G03G9/08768 ,  G03G9/08782 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0904 ,  G03G9/1135 ,  G03G2221/183

摘要： There is provided a toner for electrostatic latent image developing, which includes a binder resin; a carbon black-surface treated with an isocyanate compound including a plurality of isocyanate groups which include one or more isocyanate groups that are not bonded to the carbon black; and a release agent having an acid value of about 5 mgKOH/g or higher and/or a hydroxyl value of about 5 mgKOH/g or higher.

摘要翻译： 提供了一种用于静电潜像显影的调色剂，其包括粘合剂树脂; 用包括多个异氰酸酯基团的异氰酸酯化合物处理的炭黑表面，所述异氰酸酯化合物包括一个或多个不与碳黑键合的异氰酸酯基团; 和酸值为约5mgKOH / g以上和/或羟值为约5mgKOH / g以上的脱模剂。

公开(公告)号：US20110236820A1

公开(公告)日：2011-09-29

申请号：US12869293

申请日：2010-08-26

申请人： Toshiaki HASEGAWA ,  Takeshi SHOJI ,  Sakon TAKAHASHI ,  Fusako KIYONO

发明人： Toshiaki HASEGAWA ,  Takeshi SHOJI ,  Sakon TAKAHASHI ,  Fusako KIYONO

IPC分类号： G03G9/107 ,  G03G13/20 ,  G03G21/18 ,  G03G15/08

CPC分类号： G03G9/1131 ,  G03G9/107 ,  G03G9/1139 ,  G03G2215/00957

摘要： An electrostatic charge image development carrier includes magnetic core particles and a resin coating layer that contains titanium dioxide particles doped with niobium and coats each of the magnetic core particles.

摘要翻译： 静电荷图像显影载体包括磁芯颗粒和包含掺杂有铌的二氧化钛颗粒并涂覆每个磁芯颗粒的树脂涂层。