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：US20130209932A1

公开(公告)日：2013-08-15

申请号：US13572175

申请日：2012-08-10

申请人： Toshiaki HASEGAWA ,  Mona TASAKI ,  Fusako KIYONO

发明人： Toshiaki HASEGAWA ,  Mona TASAKI ,  Fusako KIYONO

IPC分类号： G03G9/107 ,  G03G15/08 ,  G03G21/18 ,  G03G13/16

CPC分类号： G03G9/113 ,  G03G9/10 ,  G03G9/107 ,  G03G9/1075 ,  G03G9/1132 ,  G03G9/1138

摘要： An electrostatic charge image developing carrier has magnetic particles and a coating resin layer that coats surfaces of the magnetic particles and contains a hindered amine compound.

摘要翻译： 静电荷图像显影载体具有磁性颗粒和涂覆树脂层，其涂覆磁性颗粒的表面并含有受阻胺化合物。

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。

公开(公告)号：US20100233605A1

公开(公告)日：2010-09-16

申请号：US12553467

申请日：2009-09-03

申请人： Yoshifumi IIDA ,  Fusako KIYONO ,  Yasuaki HASHIMOTO

发明人： Yoshifumi IIDA ,  Fusako KIYONO ,  Yasuaki HASHIMOTO

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

CPC分类号： G03G9/09725 ,  G03G9/0872 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09733 ,  G03G9/09775

摘要： A toner for electrostatic charge image development has toner mother particles including a release agent, a colorant, and a binder resin including a crystalline resin, and an external additive to the toner mother particles including at least metatitanic acid and at least one selected from the group consisting of silicon oxide and fluoropolymer particles, and the addition weight ratio of the metatitanic acid to the at least one selected from the group consisting of silicon oxide and fluoropolymer particles is from 1:0.08 to 1:8.30 is provided.

摘要翻译： 用于静电荷图像显影的调色剂具有包括脱模剂，着色剂和包含结晶树脂的粘合剂树脂的调色剂母体颗粒和至少包含偏钛酸的调色剂母体颗粒和选自组中的至少一种的外部添加剂 由氧化硅和含氟聚合物颗粒组成，并且提供偏钛酸与选自氧化硅和含氟聚合物颗粒中的至少一种的添加重量比为1:0.08至1:8.30。

公开(公告)号：US20100330492A1

公开(公告)日：2010-12-30

申请号：US12622073

申请日：2009-11-19

申请人： Yosuke TSURUMI ,  Akihiro IIZUKA ,  Fusako KIYONO ,  Takeshi SHOJI

发明人： Yosuke TSURUMI ,  Akihiro IIZUKA ,  Fusako KIYONO ,  Takeshi SHOJI

IPC分类号： G03G9/00 ,  G03G15/08

CPC分类号： G03G9/1075 ,  G03G9/1131 ,  G03G9/1132 ,  G03G9/1133

摘要： The invention provides a carrier for electrostatic development, including ferrite particles and a coating layer including a resin having a cycloalkyl group, the ferrite particles including strontium in an amount of from about 0.1% by weight to about 1.0% by weight and having a BET specific surface area of from about 0.13 m2/g to about 0.23 m2/g.

摘要翻译： 本发明提供一种用于静电显影的载体，包括铁氧体颗粒和包含具有环烷基的树脂的涂层，所述铁氧体颗粒包括约0.1重量％至约1.0重量％的量的锶，并具有BET特异性 表面积为约0.13m2 / g至约0.23m2 / g。

公开(公告)号：US20090111042A1

公开(公告)日：2009-04-30

申请号：US12166743

申请日：2008-07-02

申请人： Fusako KIYONO ,  Taichi YAMADA ,  Yosuke TSURUMI ,  Akira MATSUMOTO ,  Akihiro IIZUKA

发明人： Fusako KIYONO ,  Taichi YAMADA ,  Yosuke TSURUMI ,  Akira MATSUMOTO ,  Akihiro IIZUKA

IPC分类号： G03G9/093 ,  G03G9/087 ,  G03G15/08

CPC分类号： G03G9/1133 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/1131 ,  G03G9/1135 ,  G03G9/1139

摘要： An electrostatic charge image developer includes a toner containing an external additive and a carrier comprising a resin-coated layer formed on a surface of a core material. The average shape factor SF1 of the toner is from 125 to 135, the number of particles having shape factor SF1 of less than 125 is from 5% to 30% by number with respect to the total number of toner particles, the number of particles having shape factor SF1 of greater than 135 is from 5% to 30% by number with respect to the total number of toner particles, the scratch line width in a scratch strength test of the resin used in the resin-coated layer is from 80 μm to 200 μm, and the scratch depth is from 60 μm to 150 μm.

摘要翻译： 静电荷图像显影剂包括含有外部添加剂的调色剂和包含在芯材表面上形成的树脂涂层的载体。 调色剂的平均形状因子SF1为125〜135，相对于调色剂总数，形状系数SF1小于125的颗粒数为5〜30％，颗粒数为 相对于调色剂颗粒总数，大于135的形状系数SF1为5〜30％，在树脂被覆层中使用的树脂的划痕强度试验中的划痕宽度为80μm〜 200毫米，划痕深度为60毫米至150毫米。

公开(公告)号：US20100239323A1

公开(公告)日：2010-09-23

申请号：US12546356

申请日：2009-08-24

申请人： Fusako KIYONO ,  Yosuke TSURUMI ,  Yutaka SAITO

发明人： Fusako KIYONO ,  Yosuke TSURUMI ,  Yutaka SAITO

IPC分类号： G03G15/08

CPC分类号： G03G9/0819 ,  G03G9/081 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08797

摘要： A container for storing a toner includes: an electrostatic latent image developing toner that contains: a binder resin containing a polyester resin; a coloring agent; and a release agent, and that has a volume average particle size of about 4 to about 8 μm and an average degree of circularity of about 0.94 to about 0.99; and a toner container main body that stores the electrostatic latent image developing toner, the toner container main body including a material containing at least one of polyethylene terephthalate and polybutylene terephthalate.

摘要翻译： 用于储存调色剂的容器包括：静电潜像显影调色剂，其包含：含有聚酯树脂的粘合剂树脂; 着色剂; 和脱模剂，其体积平均粒径为约4至约8μm，平均圆形度为约0.94至约0.99; 以及调色剂容器主体，其存储静电潜像显影调色剂，该调色剂容器主体包括含有聚对苯二甲酸乙二醇酯和聚对苯二甲酸丁二醇酯中的至少一种的材料。

公开(公告)号：US20090061333A1

公开(公告)日：2009-03-05

申请号：US12056904

申请日：2008-03-27

申请人： Akira MATSUMOTO ,  Taichi YAMADA ,  Yosuke TSURUMI ,  Fusako KIYONO ,  Akihiro IIZUKA ,  Fumiaki MERA ,  Hirotaka MATSUOKA

发明人： Akira MATSUMOTO ,  Taichi YAMADA ,  Yosuke TSURUMI ,  Fusako KIYONO ,  Akihiro IIZUKA ,  Fumiaki MERA ,  Hirotaka MATSUOKA

IPC分类号： G03G9/00 ,  G03G13/04 ,  G03G15/00

CPC分类号： G03G9/107 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/1135

摘要： A carrier for developing an electrostatic latent image includes carrier particles, and the carrier particles include magnetic particles and a coating layer coating the surfaces of the magnetic particles. The BET specific surface area of the magnetic particles is 0.1300 m2/g to 0.2500 m2/g, and the difference in BET specific surface areas obtained by subtracting the BET specific surface area of the magnetic particles from the BET specific surface area of the carrier particles is 0.0300 m2/g to 0.400 m2/g.

摘要翻译： 用于显影静电潜像的载体包括载体颗粒，载体颗粒包括磁性颗粒和涂覆磁性颗粒表面的涂层。 磁性粒子的BET比表面积为0.1300m 2 / g〜0.2500m 2 / g，通过从载体颗粒的BET比表面积减去磁性粒子的BET比表面积而得到的BET比表面积差 为0.0300m 2 / g〜0.400m 2 / g。

公开(公告)号：US20090245858A1

公开(公告)日：2009-10-01

申请号：US12251156

申请日：2008-10-14

申请人： Noriyuki MIZUTANI ,  Yasuhiro ARIMA ,  Fusako KIYONO ,  Susumu YOSHINO

发明人： Noriyuki MIZUTANI ,  Yasuhiro ARIMA ,  Fusako KIYONO ,  Susumu YOSHINO

IPC分类号： G03G21/18 ,  G03G15/08

CPC分类号： G03G9/1133 ,  G03G9/0804 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/1139

摘要： An electrostatic charge developer includes a carrier having a core material and a resin coating layer covering the surface of the core material, and a toner having a binder resin that contains a non-crystalline polyester resin and a crystalline polyester resin. The resin coating layer contains a copolymer that contains a nitrogen-containing acrylic ester or nitrogen-containing methacrylic ester and an alicyclic acrylic ester or alicyclic methacrylic ester. The non-crystalline polyester resin contains at least an alkyl succinic acid or an anhydride or lower alkyl ester thereof, or an alkenyl succinic acid or an anhydride or lower alkyl ester thereof. The crystalline polyester resin is an aliphatic polyester resin.

摘要翻译： 静电荷显影剂包括具有芯材的载体和覆盖芯材表面的树脂涂层，以及具有含有非结晶性聚酯树脂和结晶性聚酯树脂的粘合剂树脂的调色剂。 树脂涂层含有含有含氮丙烯酸酯或含氮甲基丙烯酸酯和脂环族丙烯酸酯或脂环族甲基丙烯酸酯的共聚物。 非结晶性聚酯树脂至少含有琥珀酸烷基酯或其酸酐或低级烷基酯，或链烯基琥珀酸或其酸酐或低级烷基酯。 结晶性聚酯树脂是脂肪族聚酯树脂。