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    IMAGE FORMING APPARATUS
    5.
    发明申请
    IMAGE FORMING APPARATUS 有权
    图像形成装置

    公开(公告)号：US20150261144A1

    公开(公告)日：2015-09-17

    申请号：US14656879

    申请日：2015-03-13

    申请人： Shingo SAKASHITA ,  Satoshi KOJIMA ,  Daisuke MISAWA ,  Hiroshi ENDOH ,  Tomoki MURAYAMA ,  Rintaro TAKAHASHI ,  Chihiro KIKUCHI

    发明人： Shingo SAKASHITA ,  Satoshi KOJIMA ,  Daisuke MISAWA ,  Hiroshi ENDOH ,  Tomoki MURAYAMA ,  Rintaro TAKAHASHI ,  Chihiro KIKUCHI

    IPC分类号： G03G15/20 ,  G03G9/00

    CPC分类号： G03G15/206 ,  G03G15/2057 ,  G03G2215/2048

    摘要： An image forming apparatus, including: photoconductor; charging unit; exposing unit; developing unit containing toner; transfer unit; and fixing unit, wherein the toner includes external additive and base particles containing binder resin, colorant, and release agent, the toner has melt viscosity at 100° C. of 500 Pa·s to 8,000 Pa·s and the release agent has melt viscosity at 100° C. of 20 mPa·s to 30 mPa·s, the fixing unit includes fixing member that has roller or belt shape and contacts toner image transferred onto recording medium, and the fixing member includes release layer on surface thereof that is to be brought into contact with the toner image transferred onto the recording medium, and wherein the release layer satisfies the following expressions: 45≦θc1≦10, and 10≦θc1−θc2, where θc1 denotes receding contact angle [°] of the release agent to the release layer and θc2 denotes receding contact angle [°] of the release agent to the toner.

    摘要翻译： 一种图像形成装置，包括：感光体; 充电单元 曝光单元 含有调色剂的显影单元; 转运单位 和定影单元，其中调色剂包括外部添加剂和含有粘合剂树脂，着色剂和脱模剂的基础颗粒，调色剂在100℃下的熔体粘度为500Pa·s至8,000Pa·s，脱模剂具有熔融粘度 在100℃为20mPa·s至30mPa·s的情况下，固定单元包括具有辊或带形状并且接触转印到记录介质上的调色剂图像的固定构件，并且固定构件包括其表面上的剥离层 与转印到记录介质上的调色剂图像接触，其中剥离层满足以下表达式：45＆nlE;＆amp; thetas; c1＆nlE; 10和10＆nlE;＆amp; t; c1-＆thetas; c2，其中＆thetas; c1表示后退接触 脱模剂与脱模层的角度[°]和角度; c2表示脱模剂与调色剂的后退接触角[°]。

    DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
    6.
    发明申请
    DEVELOPING DEVICE AND IMAGE FORMING APPARATUS 有权
    开发设备和图像形成装置

    公开(公告)号：US20140072349A1

    公开(公告)日：2014-03-13

    申请号：US14022691

    申请日：2013-09-10

    申请人： Shingo SAKASHITA ,  Junichi AWAMURA ,  Tsuneyasu NAGATOMO ,  Satoshi KOJIMA ,  Tomoki MURAYAMA

    发明人： Shingo SAKASHITA ,  Junichi AWAMURA ,  Tsuneyasu NAGATOMO ,  Satoshi KOJIMA ,  Tomoki MURAYAMA

    IPC分类号： G03G15/09

    CPC分类号： G03G15/0822 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/10 ,  G03G9/107 ,  G03G9/1075 ,  G03G9/1132 ,  G03G9/1139

    摘要： A developing device, including: a developer bearing member, which is disposed opposite to an electrostatic latent image bearing member and which bears thereon a developer for developing an electrostatic latent image formed on the electrostatic latent image bearing member and conveys the developer to a developing region, wherein the developer includes a toner and a carrier, the toner containing: a toner base containing a binder resin and a colorant; and an external additive, wherein the external additive contains coalescent particles each made up of a plurality of coalescing primary particles, and wherein a work function Wc of the carrier and a work function Ws of the developer bearing member satisfy a relationship of the following formula (1): Ws−Wc≧0.4 eV  (1)

    摘要翻译： 一种显影装置，包括：显影剂承载构件，其与静电潜像承载构件相对地设置并承载有形成在静电潜像承载构件上的静电潜像的显影剂，并将显影剂输送到显影区域 其中所述显影剂包括调色剂和载体，所述调色剂含有：含有粘合剂树脂和着色剂的调色剂基料; 和外部添加剂，其中所述外部添加剂包含各自由多个聚结一次颗粒构成的聚结剂颗粒，并且其中载体的功函数Wc和显影剂承载构件的功函数Ws满足以下关系式（ 1）：Ws-Wc> = 0.4eV（1）

    TONER, DEVELOPER AND IMAGE FORMING APPARATUS
    10.
    发明申请
    TONER, DEVELOPER AND IMAGE FORMING APPARATUS 有权
    调色剂，开发商和图像形成装置

    公开(公告)号：US20140220485A1

    公开(公告)日：2014-08-07

    申请号：US14168172

    申请日：2014-01-30

    申请人： Satoshi KOJIMA ,  Junichi Awamura ,  Tsuneyasu Nagatomo ,  Shingo Sakashita ,  Tomoki Murayama ,  Masaya Fukuda

    发明人： Satoshi KOJIMA ,  Junichi Awamura ,  Tsuneyasu Nagatomo ,  Shingo Sakashita ,  Tomoki Murayama ,  Masaya Fukuda

    IPC分类号： G03G9/00 ,  G03G15/08

    CPC分类号： G03G9/0804 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09725

    摘要： To provide a toner, which contains silica particles containing first silica particles, and second silica particles, wherein the toner is a toner produced by depositing the silica particles on surfaces of base particles, the first silica particles have an average primary particle diameter of 75 nm to 250 nm, the second silica particles have an average primary particle diameter of 10 nm to 50 nm, a mass ratio of the first silica particles to the base particles is 0.010 to 0.040, a mass ratio of the second silica particles to the base particles is 0.005 to 0.030, a liberation ratio of the silica particles from the toner by a ultrasonic vibration method is 5% by mass to 20% by mass, and an amount of particles having primary particle diameters of 30 nm or smaller in the silica particles librated from the toner by the ultrasonic vibration method is 20% by number or less.

    摘要翻译： 为了提供含有含有第一二氧化硅颗粒的二氧化硅颗粒的调色剂和第二二氧化硅颗粒，其中调色剂是通过将二氧化硅颗粒沉积在基础颗粒的表面上而制备的调色剂，第一二氧化硅颗粒的平均一次粒径为75nm 至250nm，第二二氧化硅粒子的平均一次粒径为10nm〜50nm，第一二氧化硅粒子与基础粒子的质量比为0.010〜0.040，第二二氧化硅粒子与基础粒子的质量比 为0.005〜0.030，通过超声波振动法从调色剂得到的二氧化硅粒子的释放率为5质量％〜20质量％，二氧化硅粒子中的初级粒径为30nm以下的粒子的量分解 从调色剂通过超声波振动法是20％以下。