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47 条记录 (耗时 0.026 秒)

    Toner, developer and image forming method
    22.
    发明授权
    Toner, developer and image forming method 失效
    调色剂，显影剂和成像方法

    公开(公告)号：US5620824A

    公开(公告)日：1997-04-15

    申请号：US272507

    申请日：1994-07-07

    申请人： Kenji Okado ,  Akihiko Nakazawa ,  Ryoichi Fujita ,  Makoto Kanbayashi

    发明人： Kenji Okado ,  Akihiko Nakazawa ,  Ryoichi Fujita ,  Makoto Kanbayashi

    IPC分类号： G03G9/08 ,  G03G9/097

    CPC分类号： G03G9/08 ,  G03G9/0819 ,  G03G9/0823 ,  G03G9/097

    摘要： A toner for developing an electrostatic image has colored resin particles-(A) containing a coloring agent or a magnetic powder, and a powdery additive. The powdery additive has organic resin particles-(B) having peaks respectively in a region of particles diameters of 20 m.mu. to 200 m.mu. and a region of particle diameters of 300 m.mu. to 800 m.mu. in their particle size distribution, and the larger-diameters particles included in the region of particle diameters of 300 m.mu. to 800 m.mu. being contained in an amount of from 2% by weight to 20% by weight.

    摘要翻译： 用于显影静电图像的调色剂具有含有着色剂或磁性粉末的着色树脂颗粒 - （A）和粉末状添加剂。 粉末状添加剂具有分别在粒径20μm〜200μm的范围内具有峰值的有机树脂粒子，粒径分布为300μm〜800μm的粒子的区域， 包含在粒径为300μm至800μm的区域中的大直径粒子的含量为2重量％至20重量％。

    Toner for developing electrostatic image and fixing method
    23.
    发明授权
    Toner for developing electrostatic image and fixing method 失效
    用于显影静电图像和定影方法的调色剂

    公开(公告)号：US5851714A

    公开(公告)日：1998-12-22

    申请号：US825395

    申请日：1997-03-28

    申请人： Masaaki Taya ,  Kenji Okado ,  Ryoichi Fujita ,  Makoto Kanbayashi ,  Tsuyoshi Takiguchi ,  Wakashi Iida ,  Tetsuya Ida

    发明人： Masaaki Taya ,  Kenji Okado ,  Ryoichi Fujita ,  Makoto Kanbayashi ,  Tsuyoshi Takiguchi ,  Wakashi Iida ,  Tetsuya Ida

    IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/097

    CPC分类号： G03G9/08797 ,  G03G9/081 ,  G03G9/08755 ,  G03G9/08793 ,  G03G9/08795

    摘要： A toner for developing an electrostatic image is formed from toner particles containing at least a binder resin, a colorant and an organometallic compound. The binder resin in the toner particles has a tetrahydrofuran-insoluble (THF-insoluble) content of at most 5.0 wt.% based on the binder resin. The toner has a glass transition temperature of 50.degree.-80.degree. C. The toner further has storage modulus characteristics including a storage modulus at 80.degree. C. (G'.sub.80) of 1.times.10.sup.4 -5.times.10.sup.6 �dyn/cm.sup.2 !, a storage modulus at 130.degree. C. (G'.sub.130) providing a ratio G'.sub.80 /G'.sub.130 of 10-5.times.10.sup.3, and a storage modulus curve showing a minimum (G'min) in a temperature region of 110.degree.-190.degree. C. The toner especially exhibits excellent low-temperature fixability, anti-high temperature offset characteristic, storage stability and color-miscibility.

    摘要翻译： 用于显影静电图像的调色剂由至少含有粘合剂树脂，着色剂和有机金属化合物的调色剂颗粒形成。 调色剂颗粒中的粘合剂树脂相对于粘合剂树脂具有至多5.0重量％的四氢呋喃不溶（THF不溶性）含量。 调色剂的玻璃化转变温度为50-80℃。该调色剂还具有储能模量特性，包括80℃下的储能模量（G'80）为1×104-5×106 [dyn / cm2]，储能模量 130℃（G'130），比率G'80 / G'130为10-5×103，储能模量曲线在110〜190℃的温度区域为最小值（G'min）。 调色剂特别表现出优异的低温定影性，抗高温偏移特性，储存稳定性和颜色混溶性。

    Developing apparatus with regulating member having magnetic and non-magnetic members
    26.
    发明授权
    Developing apparatus with regulating member having magnetic and non-magnetic members 失效
    具有磁性和非磁性构件的调节构件的显影装置

    公开(公告)号：US5239343A

    公开(公告)日：1993-08-24

    申请号：US660152

    申请日：1991-02-20

    申请人： Yuji Sakemi ,  Hatsuo Tajima ,  Kenji Okado ,  Masahiro Inoue

    发明人： Yuji Sakemi ,  Hatsuo Tajima ,  Kenji Okado ,  Masahiro Inoue

    IPC分类号： G03G15/09

    CPC分类号： G03G15/09 ,  G03G15/0921

    摘要： A developing apparatus includes a developer layer thickness regulating zone downstream of one of magnetic poles of a stationary magnet disposed inside a developing sleeve, with respect to the rotational direction of the sleeve. In the regulating zone, there are provided a magnetic member and a non-magnetic member to regulate the layer thickness of the developer containing magnetic carrier particles and toner particles on the sleeve. The magnetic member has a width of not less than 1 mm and not more than 10 mm and a thickness of not less than 0.2 mm and not more than 3 mm.

    摘要翻译： 显影装置包括相对于套筒的旋转方向设置在显影套筒内部的固定磁体的一个磁极下游的显影剂层厚度调节区域。 在调节区域中，设置有磁性构件和非磁性构件，以调节包含磁性载体颗粒的显影剂的层厚度和套筒上的调色剂颗粒。 磁性构件的宽度为1mm以上且10mm以下，厚度为0.2mm以上且3mm以下。

    Color toner
    27.
    发明授权
    Color toner 失效

    公开(公告)号：US5120631A

    公开(公告)日：1992-06-09

    申请号：US514232

    申请日：1990-04-25

    申请人： Makoto Kanbayashi ,  Kenji Okado ,  Takayuki Nagatsuka ,  Yoshinobu Baba

    发明人： Makoto Kanbayashi ,  Kenji Okado ,  Takayuki Nagatsuka ,  Yoshinobu Baba

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

    CPC分类号： G03G9/09716 ,  G03G9/09 ,  G03G9/09708 ,  G03G9/09725

    摘要： A color toner, comprises non-magnetic resin particles containing a coloring agent and two types of inorganic oxide particles, wherein;particles of coloring agent have an average particle diameter D of 300 m.mu..ltoreq.D.ltoreq.800 m.mu. as determined by measurement of scattered-light intensity; coloring agent particles with a particle diameter of from (D-120) m.mu. to (D+120) m.mu. account for not less than 90% of the whole; coloring agent particles with a particle diameter of 169 m.mu. or less account for not more than 1.0%; and coloring agent particles with a particle diameter of 949 m.mu. or more account for not more than 0.5%;said color toner has a volume average diameter of from 6 to 10 .mu.m; colored resin particles with a particle diameter of 5 .mu.m or less are contained in a proportion of from 15 to 40% by number; colored resin particles with a particle diameter of from 12.7 to 16.0 .mu.m are contained in an amount of from 0.1 to 5.0% by volume; colored resin particles with a particle diameter of 16 .mu.m or more are contained in an amount of not more than 1.0% by volume; and colored resin particles with a particle diameter of from 6.35 to 10.1 .mu.m have a particle size distribution that satisfies the following expression:9.ltoreq.V.times.dv/N.ltoreq.14 wherein V represent a volume percentage of colored resin particles with a diameter of from 6.35 to 10.1 .mu.m; N represents a number percentage of colored resin particles with a diameter of from 6.35 to 10.1 .mu.m; and dv represents a volume average particle diameter of the whole colored resin particles; andsaid inorganic oxide particles comprise a hydrophobic inorganic oxide (A) having an absolute value of not less than 50 .mu.c/g for the amount of triboelectricity and a specific surface area S.sub.A of from 80 to 300 m.sup.2 /g as measured by the BET method, contained in an amount of a% by weight based on the colored resin particles, and a hydrophilic inorganic oxide (B) having an absolute value of not more than 20 .mu.c/g for the amount of triboelectricity and a specific surface area S.sub.B of from 30 to 200 m.sup.2 /g as measured by the BET method, contained in an amount of b% by weight based on the colored resin particles, where S.sub.A .gtoreq.S.sub.B, a.gtoreq.b, and 0.3.ltoreq.a+b.ltoreq.1.5.

    Color toner and two-component developer containing same
    29.
    发明授权
    Color toner and two-component developer containing same 失效
    彩色调色剂和包含它的两组分显影剂

    公开(公告)号：US5116711A

    公开(公告)日：1992-05-26

    申请号：US504696

    申请日：1990-04-05

    申请人： Hiroyuki Kobayashi ,  Mitsuru Uchida ,  Kenji Okado

    发明人： Hiroyuki Kobayashi ,  Mitsuru Uchida ,  Kenji Okado

    IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G9/10 ,  G03G9/113 ,  G03G13/01 ,  G03G15/01

    CPC分类号： G03G9/09 ,  G03G13/013 ,  G03G9/08

    摘要： Four color toners of yellow, magenta, cyan and black, and four two-component developers containing the four color toners respectively in combination with a resin-coated ferrite carrier suitable for multi-color electrophotographic copying are provided. Each of the four-color toners is strictly regulated in relation not only to the carrier but also to the other color toners. More specifically, each color toner is strictly controlled with respect to a particle size distribution, freeness from agglomeration, melting characteristics including heat-absorption peaks and apparent viscosity on melting, chromaticity, triboelectric chargeability and optical toner concentration detection characteristic. Because of the strict regulation of these various parameters, the resultant multi-color toner or developer system shows excellent performances at every stage of multi-color electrophotography including development, transfer and fixing (color-mixing) for a long period of successive copying.