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    Image forming method and apparatus using a particular toner
    2.
    发明授权
    Image forming method and apparatus using a particular toner 失效
    使用特定调色剂的成像方法和装置

    公开(公告)号：US5774771A

    公开(公告)日：1998-06-30

    申请号：US599375

    申请日：1996-02-09

    申请人： Tsutomu Kukimoto ,  Motoo Urawa ,  Kenji Okado ,  Toshiyuki Ugai ,  Keita Nozawa ,  Satoshi Yoshida ,  Yuki Karaki

    发明人： Tsutomu Kukimoto ,  Motoo Urawa ,  Kenji Okado ,  Toshiyuki Ugai ,  Keita Nozawa ,  Satoshi Yoshida ,  Yuki Karaki

    IPC分类号： G03G9/08 ,  G03G9/09 ,  G03G9/097 ,  G03G15/08 ,  G03G15/14

    CPC分类号： G03G9/0827 ,  G03G9/08 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/09 ,  G03G9/09716

    摘要： An image forming method has a developing step of developing an electrostatic latent image by the use of a developer to form a toner image on an electrostatic latent image bearing member, a primary transfer step of transferring the toner image onto an intermediate transfer member to which a voltage is applied, and a secondary transfer step of transferring onto a transfer medium the toner image held on the intermediate transfer member, while a transfer means to which a voltage is applied is pressed against the transfer medium. The developer has a toner. The toner is a black toner having at least i) black toner particles formed of a binder resin with a colorant dispersed therein and ii) an inorganic fine powder. The black toner has the value of shape factor SF-1 of 110

    摘要翻译： 图像形成方法具有通过使用显影剂使静电潜像显影以在静电潜像承载部件上形成调色剂图像的显影步骤，将调色剂图像转印到中间转印部件上的一次转印步骤， 施加电压，以及二次转印步骤，在将施加有电压的转印装置压在转印介质上的同时，转印到转印介质上，保持在中间转印部件上的调色剂图像。 显影剂有一个墨粉。 调色剂是具有至少i）由分散有着色剂的粘合剂树脂形成的黑色调色剂颗粒和ii）无机细粉末的黑色调色剂。 黑色调色剂的形状因子SF-1的值为110

    Toner for developing electrostatic image, image forming method, developing device and process cartridge
    3.
    发明授权
    Toner for developing electrostatic image, image forming method, developing device and process cartridge 失效
    用于显影静电图像的调色剂，图像形成方法，显影装置和处理盒

    公开(公告)号：US5712070A

    公开(公告)日：1998-01-27

    申请号：US597876

    申请日：1996-02-07

    申请人： Keita Nozawa ,  Motoo Urawa ,  Osamu Tamura ,  Tsutomu Kukimoto

    发明人： Keita Nozawa ,  Motoo Urawa ,  Osamu Tamura ,  Tsutomu Kukimoto

    IPC分类号： G03G9/08 ,  G03G9/083

    CPC分类号： G03G9/0821 ,  G03G9/0819 ,  G03G9/0834

    摘要： A toner for developing electrostatic images is constituted by toner particles comprising a binder resin and a colorant. The toner is characterized by having (i) a particle size distribution including a weight-average particle size D.sub.4 of X .mu.m and Y% by number of toner particles having a particle size of at most 3.17 .mu.m satisfying the following conditions (1) and (2): -5X+35.ltoreq.Y.ltoreq.-25X+180 (1) 3.5.ltoreq.X.ltoreq.6.5 (2), (ii) at least one heat absorption peak in a temperature region of at most 110.degree. C. as measured by differential thermal analysis, and (iii) a tap void of 0.45-0.70. The toner is effective for obviating the sleeve ghost phenomenon.

    摘要翻译： 用于显影静电图像的调色剂由包含粘合剂树脂和着色剂的调色剂颗粒构成。 调色剂的特征在于：（i）包括重均粒径D4为Xμm的颗粒尺寸分布，以及颗粒尺寸至多为3.17μm的调色剂颗粒数量Y％满足以下条件（1） 和（2）： - 5X + 35

    Image forming method utilizing toner having inorganic particles and particles of a specific sphericity
    4.
    发明授权
    Image forming method utilizing toner having inorganic particles and particles of a specific sphericity 失效
    利用具有无机颗粒和特定球形度的颗粒的调色剂的成像方法

    公开(公告)号：US5915150A

    公开(公告)日：1999-06-22

    申请号：US803506

    申请日：1997-02-20

    申请人： Tsutomu Kukimoto ,  Motoo Urawa ,  Shuichi Aita ,  Satoshi Yoshida

    发明人： Tsutomu Kukimoto ,  Motoo Urawa ,  Shuichi Aita ,  Satoshi Yoshida

    IPC分类号： G03G9/08 ,  G03G9/097 ,  G03G13/08 ,  G03G21/00 ,  G03G15/30

    CPC分类号： G03G13/08 ,  G03G21/0064 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/097 ,  G03G2215/0617 ,  G03G2215/1614 ,  G03G2221/0005 ,  G03G9/0825

    摘要： An electrophotographic image forming method according to (I) a so-called simultaneous development and cleaning scheme or cleaner-less scheme is effectively operated by using a specific non-magnetic toner. (II) The non-magnetic toner comprises non-magnetic toner particles having a shape factor SF-1 of 120-160, a shape factor SF-2 of 115-140 and a weight-average particle size of 4-9 .mu.m. (III) The non-magnetic toner further includes inorganic fine particles (a) having a number-average primary particle size of at most 50 nm and spherical fine particles (b) having a number-average primary particle size of 50-1000 nm and a surface area-based sphericity .psi. of 0.91-1.00, respectively externally added to the non-magnetic toner particles.

    摘要翻译： 通过使用特定的非磁性调色剂有效地操作根据（I）所谓的同时显影和清洁方案或无清洁方案的电摄影图像形成方法。 （II）非磁性调色剂包括形状因子SF-1为120-160，形状因子SF-2为115-140，重均粒径为4-9μm的非磁性调色剂颗粒。 （III）非磁性调色剂还包括数均一次粒径为50nm以下的无机微粒（a）和数均一次粒径为50〜1000nm的球状微粒（b）， 分别外部添加到非磁性调色剂颗粒上的基于表面积的球形度psi为0.91-1.00。

    Image forming method and image forming apparatus
    5.
    发明授权
    Image forming method and image forming apparatus 失效
    图像形成方法和图像形成装置

    公开(公告)号：US5731122A

    公开(公告)日：1998-03-24

    申请号：US555341

    申请日：1995-11-08

    申请人： Satoshi Yoshida ,  Motoo Urawa ,  Shuichi Aita ,  Tsutomu Kukimoto ,  Yoshifumi Hano ,  Yuki Nishio

    发明人： Satoshi Yoshida ,  Motoo Urawa ,  Shuichi Aita ,  Tsutomu Kukimoto ,  Yoshifumi Hano ,  Yuki Nishio

    IPC分类号： G03G5/05 ,  G03G5/147 ,  G03G9/08 ,  G03G21/00 ,  G03G13/16

    CPC分类号： G03G5/14726 ,  G03G21/0064 ,  G03G5/0503 ,  G03G5/0539 ,  G03G9/0819 ,  G03G2221/0005

    摘要： An image forming method and image forming apparatus for charging a photosensitive member, exposing the charged photosensitive member thereby forming an electrostatic latent image, carrying toner with a toner carrying member to bring the toner into contact with the photosensitive member surface, thereby developing the electrostatic latent image and forming a toner image upon the photosensitive member, transferring the toner image that is on the photosensitive member to transfer material such as paper, and conducting a simultaneous developing-cleaning process which recovers residual toner remaining on the photosensitive member following the transfer process, so that toner consumption is greatly reduced and high image quality is maintained at the same time. The angle of contact of the photosensitive member surface to water is 85.degree. or greater, the toner is comprised of at least toner particles possessing binder resin and coloring agent, and an inorganic fine powder, and the toner has an average particle diameter by volume DV (.mu.m) of 3 .mu.m.ltoreq.DV.ltoreq.8 .mu.m, an average particle diameter by weight D4 (.mu.m) of 3.5 .mu.m.ltoreq.D4.ltoreq.9 .mu.m, and the ratio Nr of particles having a particle diameter smaller than 5 .mu.m in particle diameter distribution by number of 17% by number.ltoreq.Nr.ltoreq.90% by number.

    摘要翻译： 一种图像形成方法和图像形成装置，用于对感光构件充电，使带电的感光构件曝光，从而形成静电潜像，带有调色剂承载构件的调色剂，使调色剂与感光构件表面接触，从而显影静电潜像 在感光构件上形成调色剂图像，转印感光构件上的调色剂图像以转印诸如纸的材料，并且进行同时显影清洁处理，其恢复在转印过程之后残留在感光构件上的残留调色剂， 使得墨粉消耗量大大降低，同时保持高图像质量。 感光构件表面与水的接触角为85度以上，调色剂至少包含具有粘合剂树脂和着色剂的调色剂颗粒和无机细粉末，调色剂具有平均粒径（体积）DV （μm），平均颗粒直径D4（μm）为3.5μm，D4

    Developing apparatus
    6.
    发明授权
    Developing apparatus 失效
    开发设备

    公开(公告)号：US5534982A

    公开(公告)日：1996-07-09

    申请号：US205107

    申请日：1994-03-03

    申请人： Katsuhiro Sakaizawa ,  Motoo Urawa ,  Tsutomu Kukimoto ,  Satoshi Yoshida

    发明人： Katsuhiro Sakaizawa ,  Motoo Urawa ,  Tsutomu Kukimoto ,  Satoshi Yoshida

    IPC分类号： G03G9/08 ,  G03G15/06 ,  G03B21/00 ,  G03B15/06

    CPC分类号： G03G9/0823 ,  G03G15/065

    摘要： A developing apparatus includes a developer carrying member for opposing to an image bearing member bearing an electrostatic image, and for carrying a developer to develop the electrostatic image on the image bearing member, the developer having a polarity which is the same as a charging polarity of the image bearing member, and a bias voltage source for applying an oscillating bias voltage to the developer carrying member. The bias voltage oscillates interposing an image portion potential of the image bearing member, and an absolute value of a peak level of a background portion side potential is smaller than an absolute value of a background portion potential.

    摘要翻译： 显影装置包括显影剂承载构件，用于与承载静电图像的图像承载构件相对，并且用于承载显影剂以使图像承载构件上的静电图像显影，显影剂具有与充电极性相同的极性 图像承载部件和用于向显影剂承载部件施加振荡偏压的偏置电压源。 偏置电压使图像承载部件的图像部分电位发生振荡，背景部分侧电位的峰值电平的绝对值小于背景部分电位的绝对值。

    Image forming method
    7.
    发明授权
    Image forming method 失效
    图像形成方法

    公开(公告)号：US5532101A

    公开(公告)日：1996-07-02

    申请号：US526564

    申请日：1995-09-11

    申请人： Keita Nozawa ,  Satoshi Yoshida ,  Tsutomu Kukimoto

    发明人： Keita Nozawa ,  Satoshi Yoshida ,  Tsutomu Kukimoto

    IPC分类号： G03G9/083 ,  G03G9/097 ,  G03G13/16 ,  G03G15/16 ,  G03G21/10

    CPC分类号： G03G9/09716 ,  G03G13/16 ,  G03G15/167 ,  G03G9/0834

    摘要： An image forming method, including steps of: charging a photosensitive member; exposing the photosensitive member so that an electrostatically charged image is formed; developing the electrostatically charged image so that a toner image is formed; transferring the toner image to a transfer member by transfer means; and cleaning residual toner particles on the photosensitive member by cleaning means after the toner image has been transferred, wherein the photosensitive member rotates at peripheral speed V (mm/sec); the transfer means is disposed so that the distance from a developing position on the photosensitive member to a transfer position in a direction of rotation of the photosensitive member is d.sub.1 (mm); d.sub.1 /v is 0.17 sec. or less; and developing the electrostatically charged image with toner having a triboelectric charge of .vertline.5.vertline. to .vertline.50.vertline. .mu.c/g and containing 30% by number or less of toner particles having sizes below 4 .mu.m.

    摘要翻译： 一种图像形成方法，包括以下步骤：对感光构件充电; 曝光感光构件，使得形成静电荷图像; 显影静电电荷的图像，从而形成调色剂图像; 通过转印装置将调色剂图像转印到转印部件上; 并且在调色剂图像转印之后通过清洁装置清洁感光构件上的残留调色剂颗粒，其中感光构件以圆周速度V（mm / sec）旋转; 传送装置设置成使得从感光构件上的显影位置到感光构件的旋转方向上的转印位置的距离为d1（mm）; d1 / v为0.17秒。 或更少; 并用具有| 5 |的摩擦电荷的调色剂显影静电电荷的图像 到| 50 | mu c / g，含有30％以下的尺寸在4μm以下的调色剂颗粒。

    Image forming method featuring a residual charge control property resulting from a selected toner formulation
    10.
    发明授权
    Image forming method featuring a residual charge control property resulting from a selected toner formulation 失效
    图像形成方法具有由选定的调色剂配方产生的剩余电荷控制性能

    公开(公告)号：US5976755A

    公开(公告)日：1999-11-02

    申请号：US66838

    申请日：1998-04-28

    申请人： Satoshi Yoshida ,  Tsutomu Kukimoto ,  Manabu Ohno ,  Yasukazu Ayaki ,  Satoshi Handa ,  Akira Hashimoto

    发明人： Satoshi Yoshida ,  Tsutomu Kukimoto ,  Manabu Ohno ,  Yasukazu Ayaki ,  Satoshi Handa ,  Akira Hashimoto

    IPC分类号： G03G9/08 ,  G03G9/09 ,  G03G9/093 ,  G03G13/22

    CPC分类号： G03G9/091 ,  G03G9/0904 ,  G03G9/0827 ,  G03G9/093

    摘要： An image forming method includes charging an image carrier for carrying an electrostatic latent image;forming an electrostatic latent image on the charged image carrier;developing the electrostatic latent image with a toner by contacting a toner layer on a surface of a toner carrier with a surface of the image carrier to form a toner image thereon;copying the toner image formed on the surface of the image carrier onto a copy medium;wherein the toner has toner particles containing at least a bonding resin, carbon black and an azo-based iron compound and inorganic fine powder;the carbon black having an average primary particles size within a range of from 25 to 80 nm; andthe azo-based iron compound having a specific structure.

    摘要翻译： 图像形成方法包括对用于承载静电潜像的图像载体进行充电; 在充电图像载体上形成静电潜像; 通过使调色剂载体的表面上的调色剂层与图像载体的表面接触来在调色剂上显影静电潜像以在其上形成调色剂图像; 将形成在图像载体的表面上的调色剂图像复制到复印介质上; 其中调色剂具有至少含有粘结树脂，炭黑和偶氮系铁化合物和无机细粉末的调色剂颗粒; 所述炭黑的平均一次粒径在25〜80nm的范围内; 和具有特定结构的偶氮类铁化合物。