公开(公告)号：US08192910B2

公开(公告)日：2012-06-05

申请号：US12490739

申请日：2009-06-24

申请人： Hiroaki Katoh ,  Naoki Nakatake ,  Masayuki Hagi ,  Yoshitaka Sekiguchi ,  Kazuoki Fuwa ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga

发明人： Hiroaki Katoh ,  Naoki Nakatake ,  Masayuki Hagi ,  Yoshitaka Sekiguchi ,  Kazuoki Fuwa ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga

IPC分类号： G03G13/08 ,  G03G9/00 ,  G03G13/20

CPC分类号： G03G15/0233 ,  G03G9/09716 ,  G03G9/09725 ,  G03G2215/021

摘要： An image forming method, including charging the surface of an electrostatic latent image bearer by a charger; irradiating the surface of the electrostatic latent image bearer to form an electrostatic latent image thereon; developing the same with a toner to form a toner image; transferring the toner image onto a recording medium; and fixing the toner image thereon, wherein the charger is a charging roller contacting the electrostatic latent image bearer to charge the same, having a ten-point surface roughness of 5 to 30, and the toner includes a binder resin, a colorant, a release agent and an external additive including a composite oxide including titanium oxide in an amount of 80 to 95% by weight and silicon oxide, having a core-shell structure formed of a core including the titanium oxide and a shell including the silicon oxide and has a BET specific surface area of 50 to 100 m2/g.

摘要翻译： 一种图像形成方法，包括通过充电器对静电潜像载体的表面进行充电; 照射静电潜像载体的表面以在其上形成静电潜像; 用调色剂显影相同以形成调色剂图像; 将调色剂图像转印到记录介质上; 并且其上定影调色剂图像，其中所述充电器是与所述静电潜像载体接触以对其充电的充电辊，具有5至30的十点表面粗糙度，并且所述调色剂包括粘合剂树脂，着色剂，释放 试剂和外加剂，其包含含有80〜95重量％的氧化钛的复合氧化物和氧化硅，其具有由包含氧化钛的核心和包含氧化硅的核心形成的核 - 壳结构，并具有 BET比表面积为50〜100m2 / g。

公开(公告)号：US08021814B2

公开(公告)日：2011-09-20

申请号：US12051248

申请日：2008-03-19

申请人： Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Hiroaki Katoh ,  Kazuoki Fuwa ,  Yoshitaka Sekiguchi ,  Satoshi Ogawa ,  Masahide Inoue

发明人： Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Hiroaki Katoh ,  Kazuoki Fuwa ,  Yoshitaka Sekiguchi ,  Satoshi Ogawa ,  Masahide Inoue

IPC分类号： G03G9/08 ,  G03G13/20

CPC分类号： G03G9/08711 ,  G03G9/081 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08797 ,  G03G9/0918

摘要： A toner useful for an oilless fixing method, includes a binder resin; a colorant; and 2.0 to 4.5% by weight of a wax which is soluble in n-hexane, based on a total weight of the toner, wherein the wax is dispersed in the toner, the wax forming wax domain particles (DA) comprising wax domain particles (DS) exposed at a surface of the toner and wax domain particles (DI) encapsulated in the toner and not exposed at the surface of the toner, wherein a weight of the DS is greater than a weight of the DI, wherein the toner from which the DS have been eluted with n-hexane comprises vestigial concavities having an area of 0.01 πμm2 or more on the surface of the toner in an amount of from 1 to 7 pcs/4 μm2, and wherein 60% or more by number of the DA having a particle diameter of 200 nm or more have a spindle or cylindrical shape having an aspect ratio of 4 or more.

摘要翻译： 可用于无油定影方法的调色剂包括粘合剂树脂; 着色剂 和2.0至4.5重量％的可溶于正己烷的蜡，基于调色剂的总重量，其中蜡分散在调色剂中，蜡形成蜡结构域颗粒（DA）包含蜡结构域颗粒（ DS）暴露在调色剂的表面和包封在调色剂中的蜡结构域颗粒（DI），并且不暴露于调色剂的表面，其中DS的重量大于DI的重量，其中调色剂 DS已经用正己烷洗脱，包括在调色剂表面上的面积为0.01和pgr.m2以上的残留凹坑，其量为1至7个/4μm2，并且其中60个或更多个 具有200nm以上的粒径的DA具有纵横比为4以上的纺锤或圆筒状。

公开(公告)号：US07970323B2

公开(公告)日：2011-06-28

申请号：US12042730

申请日：2008-03-05

申请人： Hiroaki Katoh ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Yoshitaka Sekiguchi ,  Kazuoki Fuwa ,  Masahide Inoue

发明人： Hiroaki Katoh ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Yoshitaka Sekiguchi ,  Kazuoki Fuwa ,  Masahide Inoue

IPC分类号： G03G15/08

CPC分类号： G03G15/0808 ,  G03G9/081 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/08711 ,  G03G9/08755 ,  G03G2215/0614 ,  G03G2215/0634

摘要： A developing device including a developer bearing member configured to feed a developer to an image bearing member; a developer supplying member, which is contacted with the developer bearing member at a first nip while opposed thereto and which is configured to supply the developer to the developer bearing member; and a developer layer forming member, which is contacted with the developer bearing member at a second nip located on the downstream side from the first nip relative to the rotation direction of the developer bearing member to form the layer of the developer on the developer bearing member, wherein the developer is a nonmagnetic one component developer, and the distance between the front edge of the second nip and the rear edge of the first nip relative to the rotation direction of the image bearing member is greater than 0.8 mm and less than 2.0 mm.

摘要翻译： 一种显影装置，包括构造成将显影剂供给到图像承载部件的显影剂承载部件; 显影剂供应构件，其在与其相对的第一压区处与显影剂承载构件接触并且构造成将显影剂供应到显影剂承载构件; 以及显影剂层形成构件，其在与所述显影剂承载构件的旋转方向相对于所述第一辊隙的下游侧的第二辊隙处与所述显影剂承载构件接触，以在所述显影剂承载构件上形成所述显影剂层 其中显影剂是非磁性单组分显影剂，并且第二辊隙的前边缘和第一辊隙的后边缘之间的距离相对于图像承载部件的旋转方向的距离大于0.8mm且小于2.0mm 。

公开(公告)号：US07727694B2

公开(公告)日：2010-06-01

申请号：US11856248

申请日：2007-09-17

申请人： Hiroyuki Murakami ,  Masahide Inoue ,  Masayuki Hagi ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Hiroaki Katoh ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa

发明人： Hiroyuki Murakami ,  Masahide Inoue ,  Masayuki Hagi ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Hiroaki Katoh ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa

IPC分类号： G03G15/08 ,  G03G9/00

CPC分类号： G03G9/09725 ,  G03G9/09716 ,  G03G15/0194 ,  G03G2215/0132 ,  G03G2221/183

摘要： A toner including toner particles including a binder resin, and a colorant, and an external additive present on a surface of the toner particles, wherein the external additive includes a silica having an average primary particle diameter of from 100 to 500 nm and a BET specific surface area of from 800 to 1000 m2/g. An image forming method including forming an electrostatic image on an image bearing member; developing the electrostatic image with the toner to form a toner image; and transferring the toner image on to a receiving material. An image forming apparatus including an image bearing member bearing an electrostatic image; a developing device developing an electrostatic image with the toner to form a toner image on the image bearing member; a transfer device transferring the toner image to a receiving material; and a fixing device fixing the toner image on the receiving material.

摘要翻译： 包含调色剂颗粒的调色剂，包括粘合剂树脂和着色剂，以及存在于调色剂颗粒表面上的外部添加剂，其中外部添加剂包括平均初级粒径为100-500nm的二氧化硅和BET特异性 表面积为800〜1000m2 / g。 一种图像形成方法，包括在图像承载部件上形成静电图像; 用调色剂显影静电图像以形成调色剂图像; 并将调色剂图像转印到接收材料上。 一种图像形成装置，包括承载静电图像的图像承载部件; 显影装置用调色剂显影静电图像以在图像承载部件上形成调色剂图像; 转印装置，将调色剂图像转印到接收材料; 以及将调色剂图像固定在接收材料上的定影装置。

公开(公告)号：US20080233506A1

公开(公告)日：2008-09-25

申请号：US12051248

申请日：2008-03-19

申请人： Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Hiroaki Katoh ,  Kazuoki Fuwa ,  Yoshitaka Sekiguchi ,  Satoshi Ogawa ,  Masahide Inoue

发明人： Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Hiroaki Katoh ,  Kazuoki Fuwa ,  Yoshitaka Sekiguchi ,  Satoshi Ogawa ,  Masahide Inoue

IPC分类号： G03G9/00 ,  G03G13/20

CPC分类号： G03G9/08711 ,  G03G9/081 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08797 ,  G03G9/0918

摘要： A toner useful for an oilless fixing method, includes a binder resin; a colorant; and 2.0 to 4.5% by weight of a wax which is soluble in n-hexane, based on a total weight of the toner, wherein the wax is dispersed in the toner, the wax forming wax domain particles (DA) comprising wax domain particles (DS) exposed at a surface of the toner and wax domain particles (DI) encapsulated in the toner and not exposed at the surface of the toner, wherein a weight of the DS is greater than a weight of the DI, wherein the toner from which the DS have been eluted with n-hexane comprises vestigial concavities having an area of 0.01 πμm2 or more on the surface of the toner in an amount of from 1 to 7 pcs/4 μm2, and wherein 60% or more by number of the DA having a particle diameter of 200 nm or more have a spindle or cylindrical shape having an aspect ratio of 4 or more.

摘要翻译： 可用于无油定影方法的调色剂包括粘合剂树脂; 着色剂 和2.0至4.5重量％的可溶于正己烷的蜡，基于调色剂的总重量，其中蜡分散在调色剂中，蜡形成蜡结构域颗粒（DA）包含蜡结构域颗粒（ DS）暴露在调色剂的表面和包封在调色剂中的蜡结构域颗粒（DI），并且不暴露于调色剂的表面，其中DS的重量大于DI的重量，其中调色剂 DS已经用正己烷洗脱，包括在调色剂表面上具有0.01至2×2以上的面积的残留凹部，其量为1至7个/4μm2 并且其中粒径为200nm以上的DA的数量为60％以上具有纵横比为4以上的纺锤或圆筒形状。

公开(公告)号：US20080069608A1

公开(公告)日：2008-03-20

申请号：US11855759

申请日：2007-09-14

申请人： Hiroaki Katoh ,  Hideaki Yasunaga ,  Kazuoki Fuwa ,  Yoshihiro Mikuriya ,  Masayuki Hagi ,  Masahide Inoue

发明人： Hiroaki Katoh ,  Hideaki Yasunaga ,  Kazuoki Fuwa ,  Yoshihiro Mikuriya ,  Masayuki Hagi ,  Masahide Inoue

IPC分类号： G03G15/20 ,  G03G9/00

CPC分类号： G03G9/0823 ,  G03G9/0808 ,  G03G9/0819 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/09708 ,  G03G9/09725 ,  G03G2215/00438 ,  G03G2215/00586

摘要： A toner including toner particles including a resin, a colorant, a wax, and a charge controlling agent, and an external additive, wherein the toner satisfies the relationships (1) 0.15×Q−2≦T≦0.15×Q−0.15, and (2) 1.0≦T≦2.5, wherein Q represents the charge of the toner in units of μC/g, and T represents the torque of the toner in units of mN·m determined by a method using a cone-shaped rotor while controlling a space ratio of the toner at 58%. A developer including the toner and a carrier. An image forming apparatus including an image bearing member, a transfer device, a fixing device and a double side image forming unit, and using the toner, wherein the receiving material includes moisture in an amount of not greater than 5% by weight after the toner image on the first side is fixed.

摘要翻译： 包含树脂，着色剂，蜡和电荷控制剂的调色剂颗粒和外部添加剂的调色剂，其中调色剂满足关系式（1）0.15×Q-2 <= T <= 0.15×Q-0.15，以及 （2）1.0 <= T <= 2.5，其中Q表示调色剂的电荷，单位为μC/ g，T表示调色剂的转矩，单位为mN.m，通过使用锥形转子 同时控制调色剂的空间比为58％。 包括调色剂和载体的显影剂。 一种图像形成装置，包括图像承载部件，转印装置，定影装置和双面图像形成单元，并且使用调色剂，其中所述接收材料包含在调色剂之后不大于5重量％的量的水分 第一面的图像是固定的。

公开(公告)号：US08103199B2

公开(公告)日：2012-01-24

申请号：US12010369

申请日：2008-01-24

申请人： Hideaki Yasunaga ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Yoshitaka Sekiguchi ,  Hiroaki Katoh ,  Kazuoki Fuwa ,  Masahide Inoue

发明人： Hideaki Yasunaga ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Yoshitaka Sekiguchi ,  Hiroaki Katoh ,  Kazuoki Fuwa ,  Masahide Inoue

IPC分类号： G03G15/08

CPC分类号： G03G15/0818

摘要： A developing device including a developing roller facing an image bearing member and a toner layer thickness control member to control an amount of a toner adhered to the developing roller, so that an electrostatic latent image formed on the image bearing member is developed with the toner to form a toner image. The following relationships are satisfied: 0.08×100.3×Dv

摘要翻译： 一种显影装置，包括面向图像承载部件的显影辊和调色剂层厚度控制部件，以控制粘附到显影辊上的调色剂的量，使得形成在图像承载部件上的静电潜像用调色剂显影 形成调色剂图像。 满足以下关系：0.08×100.3×Dv

公开(公告)号：US20090186291A1

公开(公告)日：2009-07-23

申请号：US12348494

申请日：2009-01-05

申请人： Yoshihiro MIKURIYA ,  Kazuoki Fuwa ,  Hiroaki Katoh ,  Yoshitaka Sekiguchi ,  Hideaki Yasunaga ,  Masayuki Hagi

发明人： Yoshihiro MIKURIYA ,  Kazuoki Fuwa ,  Hiroaki Katoh ,  Yoshitaka Sekiguchi ,  Hideaki Yasunaga ,  Masayuki Hagi

IPC分类号： G03G9/087 ,  G03G5/00 ,  G03G15/08 ,  G03G21/18 ,  G03G13/20

CPC分类号： G03G9/08795 ,  G03G9/081 ,  G03G9/08724 ,  G03G9/08755 ,  G03G9/08797

摘要： A non-magnetic toner including a binder resin including a first resin, a second resin, a third resin; a colorant; and a wax, wherein the first resin is a hybrid resin including an amorphous condensation polymerization unit and a radical polymerization unit in its molecular frame, and the second and third resins are non-hybrid resins including condensation polymerization units, wherein each of the first, second and third resins has a glass transition temperature (Tg) and a softening point (Tm) satisfying the following relationships: Tg of first resin

摘要翻译： 一种非磁性调色剂，包括包含第一树脂，第二树脂，第三树脂的粘合剂树脂; 着色剂 和蜡，其中所述第一树脂是其分子框架中包含无定形缩聚单元和自由基聚合单元的混合树脂，所述第二和第三树脂是包含缩聚单元的非混合树脂，其中所述第一， 第二和第三树脂具有满足以下关系的玻璃化转变温度（Tg）和软化点（Tm）：<？in-line-formula description =“In-line formula”end =“lead”？>第一树脂的Tg 第二树脂的Tg <70℃，第三树脂的Tg为70〜80℃，<？在线式说明=“直列式”末端=“尾”→> 公式描述=“在线公式”end =“lead”→Tm第二树脂的Tm <第三树脂的Tm <第一树脂的Tm和<？在线公式描述=“In-line formula”end =“ 尾“→其中粘合剂树脂包含10-20％的量的第一树脂和25-45重量％的第三树脂。

公开(公告)号：US20080304875A1

公开(公告)日：2008-12-11

申请号：US12042730

申请日：2008-03-05

申请人： Hiroaki Katoh ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Yoshitaka Sekiguchi ,  Kazuoki Fuwa ,  Masahide Inoue

发明人： Hiroaki Katoh ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Yoshitaka Sekiguchi ,  Kazuoki Fuwa ,  Masahide Inoue

IPC分类号： G03G15/08

CPC分类号： G03G15/0808 ,  G03G9/081 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/08711 ,  G03G9/08755 ,  G03G2215/0614 ,  G03G2215/0634

摘要： A developing device including a developer bearing member configured to feed a developer to an image bearing member; a developer supplying member, which is contacted with the developer bearing member at a first nip while opposed thereto and which is configured to supply the developer to the developer bearing member; and a developer layer forming member, which is contacted with the developer bearing member at a second nip located on the downstream side from the first nip relative to the rotation direction of the developer bearing member to form the layer of the developer on the developer bearing member, wherein the developer is a nonmagnetic one component developer, and the distance between the front edge of the second nip and the rear edge of the first nip relative to the rotation direction of the image bearing member is greater than 0.8 mm and less than 2.0 mm.

摘要翻译： 一种显影装置，包括构造成将显影剂供给到图像承载部件的显影剂承载部件; 显影剂供应构件，其在与其相对的第一压区处与显影剂承载构件接触并且构造成将显影剂供应到显影剂承载构件; 以及显影剂层形成构件，其在与所述显影剂承载构件的旋转方向相对于所述第一辊隙的下游侧的第二辊隙处与所述显影剂承载构件接触，以在所述显影剂承载构件上形成所述显影剂层 其中显影剂是非磁性单组分显影剂，并且第二辊隙的前边缘和第一辊隙的后边缘之间的距离相对于图像承载部件的旋转方向的距离大于0.8mm且小于2.0mm 。

公开(公告)号：US20080226356A1

公开(公告)日：2008-09-18

申请号：US12048865

申请日：2008-03-14

申请人： Hideaki YASUNAGA ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hiroaki Katoh ,  Kazuoki Fuwa ,  Masahide Inoue ,  Yoshitaka Sekiguchi ,  Satoshi Ogawa

发明人： Hideaki YASUNAGA ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hiroaki Katoh ,  Kazuoki Fuwa ,  Masahide Inoue ,  Yoshitaka Sekiguchi ,  Satoshi Ogawa

IPC分类号： G03G15/08

CPC分类号： G03G15/0818 ,  G03G2215/0617

摘要： An image developer using a one-component developer, Including a developing roller visualizing an electrostatic latent image formed on an image bearer with a pulverized toner; and a feed roller feeding the pulverized toner to the developing roller while contacting thereto, wherein the pulverized toner includes a parent toner; a wax; and an external additive comprising an additive having a number-average particle diameter of from 20 to 60 nm and adhering to the surface of the parent toner at an adherence strength of from 50 to 70%, and wherein the following relationships (1) to (3) are satisfied: 4.70

摘要翻译： 使用单组分显影剂的图像显影剂包括利用粉碎的调色剂使形成在图像载体上的静电潜像可视化的显影辊; 以及将粉碎的调色剂供给到显影辊同时接触的进料辊，其中所述粉碎的调色剂包括母体调色剂; 蜡 以及外加剂，其包含数均粒径为20〜60nm的添加剂，并以50〜70％的粘附强度附着在母体调色剂的表面，并且其中以下关系式（1）〜（ 3）满足：<？in-line-formula description =“In-line formula”end =“lead”？> 4.70 <5.70（1）<？in-line- formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> 8.00 <？in-line-formula description =“In-line Formulas”end =“lead”？> 10.25 *对数10 R + 37.5 Z <-6.25 * LOG 10 R + 45.6（3）<αin-line- 公式描述=“在线公式”end =“tail”？>其中R表示显影辊的电阻率，Z表示粉碎调色剂的阻抗。