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47 条记录 (耗时 0.032 秒)

    Carrier for use in electrophotography, two-component type developer and image forming method
    21.
    发明授权
    Carrier for use in electrophotography, two-component type developer and image forming method 有权
    用于电子照相术的载体，双组分型显影剂和图像形成方法

    公开(公告)号：US06372400B1

    公开(公告)日：2002-04-16

    申请号：US09606162

    申请日：2000-06-29

    申请人： Kazumi Yoshizaki ,  Kenji Okado ,  Makoto Kanbayashi ,  Yushi Mikuriya

    发明人： Kazumi Yoshizaki ,  Kenji Okado ,  Makoto Kanbayashi ,  Yushi Mikuriya

    IPC分类号： G03G9113

    CPC分类号： G03G9/1131 ,  G03G9/1075 ,  G03G9/1135 ,  G03G9/1136 ,  G03G9/1137 ,  G03G9/1138 ,  G03G9/1139

    摘要： A carrier for use in electrophotography has carrier cores comprising a binder resin and metal compound particles dispersed therein, and a coating resin for coating the surfaces of the carrier cores. Water adsorption TH2O-H (% by weight) after the carrier has been left in an environment of 30° C./80%RH, water adsorption TH2O-L (% by weight) after the carrier has been left in an environment of 23° C./5%RH, and particle surface area Sm (cm2/g) of the carrier satisfy the following relationship: 6.00×10−6≦TH2O-H/(100×Sm)≦1.50×10−5, and 1.00×10−6≦TH2O-L/(100×Sm)≦5.50×10−6.

    摘要翻译： 用于电子照相术的载体具有包含分散在其中的粘合剂树脂和金属化合物颗粒的载体芯，以及用于涂覆载体芯的表面的涂布树脂。 载体在30°C / 80％RH之间的水中吸附TH2O-H（重量％）后，载体在23度环境中被吸附后的水分吸附量TH2O-L（重量％） ℃5％RH，载体的颗粒表面积Sm（cm 2 / g）满足以下关系：

    Developing apparatus with regulating member having magnetic and non-magnetic members
    22.
    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
    23.
    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.

    Magnetic carrier, two-component developer and image forming method
    25.
    发明授权
    Magnetic carrier, two-component developer and image forming method 有权
    磁性载体，双组分显影剂和成像方法

    公开(公告)号：US6124067A

    公开(公告)日：2000-09-26

    申请号：US358409

    申请日：1999-07-22

    申请人： Yushi Mikuriya ,  Kenji Okado ,  Kazumi Yoshizaki

    发明人： Yushi Mikuriya ,  Kenji Okado ,  Kazumi Yoshizaki

    IPC分类号： G03G9/08 ,  G03G9/097 ,  G03G9/107 ,  G03G9/113 ,  G03G15/08

    CPC分类号： G03G9/09708 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/107 ,  G03G9/1075 ,  G03G9/1132 ,  G03G9/1134 ,  G03G9/1135 ,  G03G9/1139

    摘要： A magnetic carrier constituting a two-component developer for use in an electrophotographic image forming method is formed of a carrier core comprising a first resin and magnetic fine particles dispersed in the first resin, and a second resin surface-coating the carrier core. (a) The magnetic carrier has a true specific gravity of 2.5-4.5, a magnetization .sigma..sub.1000 as measured in a magnetic field of 1000.times.(10.sup.3 /4.pi.).multidot.A/m (1000 oersted) of 15-60 Am.sup.2 /kg (emu/g), a residual magnetization .sigma..sub.r of 0.1-20 Am.sup.2 /kg (emu/g) and a resistivity of 5.times.10.sup.11 -5.times.10.sup.15 ohm.cm. (b) The first resin has a polymer chain including a methylene unit (--CH.sub.2 --). (c) The second resin has at least a fluoro-alkyl unit, a methylene unit (--CH.sub.2 --) and an ester unit. (d) The carrier core is surface-coated with (i) a mixture of the second resin and a coupling agent having at least an amino group and a methylene unit, or (ii) a coupling agent having at least an amino group and a methylene unit, and then with the second resin.

    摘要翻译： 构成用于电子照相成像方法的双组分显影剂的磁性载体由包含分散在第一树脂中的第一树脂和磁性细颗粒的载体芯和表面涂覆载体芯的第二树脂形成。 （a）磁性载体的真比重为2.5-4.5，在1000×（103/4 pi）×A / m（1000奥斯特）为15-60Am 2 / kg（emu）的磁场中测量的磁化σ1000 / g），剩余磁化σr为0.1-20Am 2 / kg（emu / g），电阻率为5×10 11 -5×10 15欧姆·厘米。 （b）第一树脂具有包含亚甲基单元（-CH 2 - ）的聚合物链。 （c）第二树脂具有至少氟烷基单元，亚甲基单元（-CH 2 - ）和酯单元。 （d）载体芯表面涂覆有（i）第二树脂和至少具有氨基和亚甲基单元的偶联剂的混合物，或（ii）至少具有氨基的偶联剂和 亚甲基单元，然后与第二树脂。

    Color toner and two-component developer containing same
    26.
    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.

    Toner application method and treated magnetic particles for use therein
    28.
    发明授权
    Toner application method and treated magnetic particles for use therein 失效
    调色剂施用方法和处理过的磁性颗粒

    公开(公告)号：US4590140A

    公开(公告)日：1986-05-20

    申请号：US658779

    申请日：1984-10-09

    申请人： Yasuo Mitsuhashi ,  Masanori Takenouchi ,  Hatsuo Tajima ,  Masaki Uchiyama ,  Motoo Urawa ,  Kenji Okado

    发明人： Yasuo Mitsuhashi ,  Masanori Takenouchi ,  Hatsuo Tajima ,  Masaki Uchiyama ,  Motoo Urawa ,  Kenji Okado

    IPC分类号： G03G15/09 ,  G03G9/083 ,  G03G9/113 ,  G03G13/09 ,  G03G13/08

    CPC分类号： G03G9/083 ,  Y10S222/01

    摘要： A method for applying a toner comprising: forming, in a container containing a toner and magnetic particles for application of the toner, a magnetic brush of the magnetic particles; circulating the magnetic particles in the container; forming a thin layer of the toner electrically charged on the toner carrying member, wherein the magnetic particles have been treated with a substance A having a position opposite to that of the toner in the triboelectric series with the material constituting at least the surface of the toner carrying member as the standard substance and with a substance B having a position between the substance A and the toner in the triboelectric series.

    摘要翻译： 一种施加调色剂的方法，包括：在容纳调色剂的容器和用于施加调色剂的磁性颗粒的容器中形成磁性颗粒的磁刷; 将磁性颗粒循环在容器中; 形成在调色剂承载构件上带电的调色剂薄层，其中已经用具有与摩擦系列中的调色剂的位置相反的位置的物质A处理磁性颗粒，其中至少构成调色剂表面的材料 携带部件作为标准物质，物质B具有物质A和摩擦系列中的调色剂之间的位置。