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。

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：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：US07026087B2

公开(公告)日：2006-04-11

申请号：US10673471

申请日：2003-09-30

申请人： Yoshihiro Mikuriya ,  Masahiro Anno ,  Katsunori Kurose ,  Masahide Inoue

发明人： Yoshihiro Mikuriya ,  Masahiro Anno ,  Katsunori Kurose ,  Masahide Inoue

IPC分类号： G03G9/08

CPC分类号： G03G9/08733

摘要： A toner composition, comprising a binder resin, a wax, a copolymer and a colorant;the copolymer being a copolymer between an α-olefin, maleic anhydride and maleic anhydride monoester.

摘要翻译： 一种调色剂组合物，其包含粘合剂树脂，蜡，共聚物和着色剂; 该共聚物是α-烯烃，马来酸酐和马来酸酐单酯之间的共聚物。

公开(公告)号：US06503679B2

公开(公告)日：2003-01-07

申请号：US09920716

申请日：2001-08-03

申请人： Megumi Aoki ,  Masahide Inoue ,  Yoshihiro Mikuriya ,  Masayuki Hagi

发明人： Megumi Aoki ,  Masahide Inoue ,  Yoshihiro Mikuriya ,  Masayuki Hagi

IPC分类号： G03G9087

CPC分类号： G03G9/08795 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08797

摘要： The present invention provides a color toner for developing an electrostatic image having excellent light transmission for OHP and fixing efficiency, said color toner effectively preventing a low temperature offset and a high temperature offset when it is applied to a fixing device whose coating weight of an oil is reduced. The color toner is characterized in that (i) it comprises a binding resin and a colorant, (ii) its storage elastic modulus at 90° C. (G′90) is not more than 6×104 Pa, (iii) its storage elastic modulus at 140° C. (G′140) is not less than 5×102 Pa, (iv) a temperature showing a maximum value of &dgr; in tan&dgr;=G″/G′ (wherein G′ is a storage elastic modulus of the color toner, and G″ is a loss elastic modulus of the color toner) exists in the range of 90-120° C., and (v) the maximum value of &dgr; is not less than 60°.

摘要翻译： 本发明提供了一种彩色调色剂，用于显影具有优异的OHP透光性和定影效率的静电图像，所述彩色调色剂有效地防止了当将其施加到油的涂布重量的定影装置时的低温偏移和高温偏移 降低了。 彩色调色剂的特征在于：（i）其包含粘合树脂和着色剂，（ii）其在90℃下的储存弹性模量（G'90）不大于6×10 4 Pa，（iii）其储存弹性模量 在140℃（G'140）不小于5×102Pa，（iv）显示tandelta中最大值delta的温度= G“/ G'（其中G'是彩色调色剂的储能弹性模量 ，并且G“是彩色调色剂的损耗弹性模量）存在于90-120℃的范围内，（v）δ的最大值不小于60°。

公开(公告)号：US06524762B2

公开(公告)日：2003-02-25

申请号：US09874291

申请日：2001-06-06

申请人： Chikara Tsutsui ,  Katsunori Kurose ,  Masahiro Anno ,  Minoru Nakamura ,  Masahide Inoue

发明人： Chikara Tsutsui ,  Katsunori Kurose ,  Masahiro Anno ,  Minoru Nakamura ,  Masahide Inoue

IPC分类号： G03G1508

CPC分类号： G03G13/08 ,  G03G2215/0617

摘要： The present invention relates to a mono-component developing device, which develops an electrostatic latent image formed on an electrostatic latent image-supporting member with a toner having a weight-average particle size of from 4 to 10 &mgr;m, a compression rate of not more than 32% and an angle of repose of not more than 38°, and a toner used for the mono-component developing device. Even in the case when a comparatively great stress is imposed on the toner particles, the toner of the present invention maintains superior fluidity and makes it possible to provide a high-quality image.

公开(公告)号：US06459874B2

公开(公告)日：2002-10-01

申请号：US09778951

申请日：2001-02-08

申请人： Masahide Inoue ,  Masahiro Anno ,  Chikara Tsutsui ,  Minoru Nakamura ,  Katsunori Kurose

发明人： Masahide Inoue ,  Masahiro Anno ,  Chikara Tsutsui ,  Minoru Nakamura ,  Katsunori Kurose

IPC分类号： G03G1501

CPC分类号： G03G13/013 ,  G03G2215/0177

摘要： A developing system is provided for forming a full-color image, which includes (i) a first developing device which is equipped with a developer-supporting member having a mean crest distance (Sm) of 20-200 &mgr;m on its surface and satisfying the following relation: 0.5-30, (ii) a second developing device which is equipped with a developer-supporting member having a mean crest distance (Sm) of 20-200 &mgr;m on its surface and satisfying the following relation: d4, Ra=0.5-3.0, wherein tan &dgr; (50° C.) of the black toner is not more than 1.0, and a first ratio of tan &dgr; and a first ratio tan 6 represented by (tan 8 (150° C.) of the first color toner (tan 8 (150° C.) of the black toner satisfies the following relation: I the first ratio of tan 8s 1.35.

摘要翻译： 提供了一种用于形成全色图像的显影系统，其包括（i）第一显影装置，其具有在其表面上具有20-200μm的平均峰距（Sm）的显影剂支撑构件，并且满足 以下关系：（ii）第二显影装置，其具有在其表面上具有20-200μm的平均峰距（Sm）的显影剂支撑构件，并且满足以下关系：其中tanδ（50℃） 的黑色调色剂不大于1.0，并且第一颜色调色剂（tanδ（150℃））的tanδ（150℃）（tanδ（150℃））表示的tanδ和第一比率tan 6的第一比率 黑色调色剂满足以下关系：