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    Developer and developing method
    2.
    发明授权
    Developer and developing method 有权
    开发和开发方法

    公开(公告)号：US6096466A

    公开(公告)日：2000-08-01

    申请号：US244127

    申请日：1999-02-04

    申请人： Takashi Imai ,  Akihiro Iizuka ,  Yoshifumi Iida ,  Masanori Ichimura

    发明人： Takashi Imai ,  Akihiro Iizuka ,  Yoshifumi Iida ,  Masanori Ichimura

    IPC分类号： G03G9/08 ,  G03G9/10 ,  G03G9/107 ,  G03G9/113 ,  G03G13/09 ,  G03G15/08

    CPC分类号： G03G13/09 ,  G03G9/10 ,  G03G9/107 ,  G03G9/1139 ,  G03G2215/0177

    摘要： A developer for replenishment for use in a developing system in which a latent image on a latent image holding member is developed with a developing unit containing a two-component developer comprising a toner and a carrier while replenishing the developer with a developer for replenishment, the developer for replenishment comprising a carrier and from 1 to 30 parts by weight of a toner per 1 part by weight of the carrier, and the developer for replenishment having an electrical resistance substantially equal to that of the carrier previously contained in the developing unit, but giving a larger charge quantity to the toner than the carrier previously contained in the developing unit does. Also disclosed is a developing method using the developer for replenishment.

    摘要翻译： 一种用于补充显影剂的显影剂，其中潜像保持部件上的潜像用显影单元显影，所述显影单元含有包含调色剂和载体的双组分显影剂，同时用用于补充的显影剂补充显影剂， 用于补充的显影剂，其包含载体和每1重量份载体1至30重量份的调色剂，并且用于补充的显影剂具有基本上等于显影单元中预先包含的载体的电阻，但是 相对于先前容纳在显影单元中的载体​​，赋予调色剂更大的电荷量。 还公开了一种使用显影剂进行补充的开发方法。

    Image-forming method
    3.
    发明授权
    Image-forming method 有权
    成像方法

    公开(公告)号：US6101358A

    公开(公告)日：2000-08-08

    申请号：US418826

    申请日：1999-10-15

    申请人： Takashi Imai ,  Akihiro Iizuka ,  Yoshifumi Iida ,  Hiroshi Nakazawa ,  Masanori Ichimura

    发明人： Takashi Imai ,  Akihiro Iizuka ,  Yoshifumi Iida ,  Hiroshi Nakazawa ,  Masanori Ichimura

    IPC分类号： G03G15/09 ,  G03G9/08 ,  G03G9/10 ,  G03G9/107 ,  G03G13/09 ,  G03G15/08

    CPC分类号： G03G9/107 ,  G03G13/09 ,  G03G9/08 ,  G03G9/10

    摘要： Provided is an image-forming method including a step of forming a layer of a developer on a surface of a developer support member disposed facing a latent image support member, a developing step of developing an electrostatic latent image on the latent image support member using the layer of the developer formed to obtain a toner image, a transferring step of transferring the toner image onto a transfer material and a fixing step of fixing the transferred toner image, wherein the developer support member has therein a development magnetic pole in which a magnetic force of a main pole is 100 mT or more, said developer having a toner and a carrier which has a volume average particle diameter of 50 .mu.m or less, and image formation method is conducted at a process speed of 200 mm/sec or more.In the image-forming method of the invention, high-quality images free from blurring in a half-tone portion adjacent to a solid image can be formed in a high-speed image-forming process using the two-component developer of a small particle diameter without migration of the carrier into the latent image.

    摘要翻译： 提供了一种图像形成方法，包括在面向潜像支撑部件设置的显影剂支撑部件的表面上形成显影剂层的步骤，使用该显影步骤使潜像支撑部件上的静电潜像显影 形成以获得调色剂图像的显影剂层，将调色剂图像转印到转印材料上的转印步骤和固定转印的调色剂图像的定影步骤，其中显影剂支撑构件中具有显影磁极，其中磁力 所述显影剂具有体积平均粒径为50μm以下的调色剂和载体，以200mm / sec以上的处理速度进行图像形成方法。 在本发明的图像形成方法中，可以在使用小粒子的双组分显影剂的高速图像形成处理中形成没有与实心图像相邻的半色调部分中的模糊的高质量图像 直径，而不会使载体迁移到潜像中。

    Electrostatic-image developer and image forming process
    5.
    发明授权
    Electrostatic-image developer and image forming process 失效
    静电图像显影剂和成像工艺

    公开(公告)号：US5693444A

    公开(公告)日：1997-12-02

    申请号：US762875

    申请日：1996-12-12

    申请人： Masahiro Takagi ,  Akihiro Iizuka ,  Satoru Ishigaki ,  Masanori Ichimura

    发明人： Masahiro Takagi ,  Akihiro Iizuka ,  Satoru Ishigaki ,  Masanori Ichimura

    IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G9/097 ,  G03G9/107 ,  G03G9/113

    CPC分类号： G03G9/0819 ,  G03G9/097 ,  G03G9/107

    摘要： An electrostatic-image developer which comprises a toner and a carrier comprising core particles coated with a coating resin, wherein the toner comprises toner particles having a volume-average particle diameter of from 3 to 9 .mu.m and having a specific particle diameter distribution, at least 20% of the total surface area of the toner particles is covered with (a) an external additive having an average particle diameter of from 20 nm to 100 nm, and at least 40% of the total surface area of the toner particles is covered with (b) an external additive having an average particle diameter of from 7 nm to 20 nm, and wherein the core particles of the carrier are magnetic particles formed from a composition comprising 100 parts by weight of a ferrite component represented by the following formula (3): (M.sub.y O).sub.100-x (Fe.sub.2 O.sub.3).sub.x (3) (wherein M is a metal atom selected from the group consisting of Li, Mg, Ca and Mn; x is from 45 to 95 mol %; and y is 1 or 2) and from 0.01 to 10 parts by weight of an oxide of at least one element selected from the group consisting of Groups IA, IIA, IIIA, IVA, VA, IIIB, IVB, and VB of the periodic table by granulating the composition and sintering the granules, and the magnetic particles have a silicon content of from 500 to 5,000 ppm. An image forming process using the developer is also disclosed.

    摘要翻译： 一种静电图像显影剂，其包含调色剂和载体，所述载体包含涂覆有涂层树脂的芯颗粒，其中所述调色剂包含体积平均粒径为3至9μm并具有特定粒径分布的调色剂颗粒， 调色剂颗粒的总表面积的至少20％用（a）平均粒径为20nm至100nm的外部添加剂覆盖，并且调色剂颗粒的总表面积的至少40％被覆盖 （b）平均粒径为7nm〜20nm的外部添加剂，其中载体的核心颗粒是由包含100重量份由下式表示的铁氧体组分的组合物形成的磁性颗粒（ 3）:( MyO）100-x（Fe 2 O 3）x（3）（其中M为选自Li，Mg，Ca和Mn的金属原子; x为45〜95摩尔％，y为1 或2）和0.01至10重量份的氧化物 e的至少一种选自元素周期表的IA，IIA，IIIA，IVA，VA，IIIB，IVB和VB族的元素，通过将组合物制粒并烧结颗粒，并且磁性颗粒具有硅含量 为500〜5000ppm。 还公开了使用显影剂的成像方法。

    Electrostatic image developer, process cartridge, and image forming apparatus
    7.
    发明授权
    Electrostatic image developer, process cartridge, and image forming apparatus 有权
    静电图像显影剂，处理盒和成像装置

    公开(公告)号：US07745087B2

    公开(公告)日：2010-06-29

    申请号：US11905283

    申请日：2007-09-28

    申请人： Yosuke Tsurumi ,  Akihiro Iizuka ,  Tsuyoshi Murakami

    发明人： Yosuke Tsurumi ,  Akihiro Iizuka ,  Tsuyoshi Murakami

    IPC分类号： G03G9/093

    CPC分类号： G03G9/1132 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/10 ,  G03G9/107 ,  G03G9/1075 ,  G03G2215/0132 ,  G03G2215/0609

    摘要： An electrostatic image developer contains a toner and a carrier having a resin coating layer formed on the surface of a core material containing a ferrite component, wherein a ratio R1/R2 is from 0.88 to 0.92 where R1 is the resistance value (Ω) of the developer having a toner concentration of 2 mass % in a state formed into a magnetic brush, at an applied voltage of 104 V/cm, and R2 is the resistance value (Ω) of the developer having a toner concentration of 12 mass % in a state formed into a magnetic brush, at an applied voltage of 104 V/cm.

    摘要翻译： 静电图像显影剂含有调色剂和载体，该树脂涂层形成在含有铁素体组分的芯材的表面上，其中R1 / R2的比值为0.88至0.92，其中R1是电阻值（＆OHgr） 显影剂在形成磁刷的状态下的调色剂浓度为2质量％，施加电压为104V / cm，R2为调色剂浓度为12质量％的显影剂的电阻值（＆amp; OHgr） 在形成为磁刷的状态下，以施加的电压为104V / cm。

    Carrier for electrostatic image development, and image formation method and apparatus
    9.
    发明授权
    Carrier for electrostatic image development, and image formation method and apparatus 有权
    用于静电图像显影的载体，以及图像形成方法和装置

    公开(公告)号：US07939234B2

    公开(公告)日：2011-05-10

    申请号：US11806223

    申请日：2007-05-30

    申请人： Akira Matsumoto ,  Akihiro Iizuka ,  Fusako Kiyono

    发明人： Akira Matsumoto ,  Akihiro Iizuka ,  Fusako Kiyono

    IPC分类号： G03G9/00

    CPC分类号： G03G15/09 ,  G03G9/09708 ,  G03G9/107 ,  G03G9/1132 ,  G03G9/1139 ,  G03G15/095 ,  G03G2215/0609

    摘要： An image forming apparatus, including a latent image-holding member, a developing unit, a transfer unit, a cleaning unit, and a recycling unit, wherein the developer includes a toner having an external-additive adhesiveness index SA in the range of approximately 50% to approximately 95% and: a carrier containing magnetic particles and a coating layer coating the surface of the magnetic particles and having a total energy of approximately 1,420 to approximately 2,920 mJ; or a carrier containing magnetic powder-dispersed particles and a coating layer coating the surface of the magnetic powder-dispersed particles and having a total energy of, approximately 890 to approximately 1,390 mJ.

    摘要翻译： 一种图像形成装置，包括潜像保持构件，显影单元，转印单元，清洁单元和再循环单元，其中显影剂包括具有约50的范围内的外部添加剂粘合指数SA的调色剂 ％至约95％，和：含有磁性颗粒的载体和涂覆磁性颗粒表面的涂层，其总能量约为1,420至约2920mJ; 或包含磁粉分散颗粒的载体和涂覆磁粉分散颗粒表面的涂层，其总能量约为890至约1390mJ。

    Carrier for electrostatic image development, and image formation method and apparatus
    10.
    发明申请
    Carrier for electrostatic image development, and image formation method and apparatus 有权
    用于静电图像显影的载体，以及图像形成方法和装置

    公开(公告)号：US20080081278A1

    公开(公告)日：2008-04-03

    申请号：US11806223

    申请日：2007-05-30

    申请人： Akira Matsumoto ,  Akihiro Iizuka ,  Fusako Kiyono

    发明人： Akira Matsumoto ,  Akihiro Iizuka ,  Fusako Kiyono

    IPC分类号： G03G15/09 ,  G03G9/113

    CPC分类号： G03G15/09 ,  G03G9/09708 ,  G03G9/107 ,  G03G9/1132 ,  G03G9/1139 ,  G03G15/095 ,  G03G2215/0609

    摘要： An image forming apparatus, including a latent image-holding member, a developing unit, a transfer unit, a cleaning unit, and a recycling unit, wherein the developer includes a toner having an external-additive adhesiveness index SA in the range of approximately 50% to approximately 95% and: a carrier containing magnetic particles and a coating layer coating the surface of the magnetic particles and having a total energy of approximately 1,420 to approximately 2,920 mJ; or a carrier containing magnetic powder-dispersed particles and a coating layer coating the surface of the magnetic powder-dispersed particles and having a total energy of, approximately 890 to approximately 1,390 mJ.

    摘要翻译： 一种图像形成装置，包括潜像保持构件，显影单元，转印单元，清洁单元和再循环单元，其中显影剂包括具有约50的范围内的外部添加剂粘合指数SA的调色剂 ％至约95％，和：含有磁性颗粒的载体和涂覆磁性颗粒表面的涂层，其总能量约为1,420至约2920mJ; 或包含磁粉分散颗粒的载体和涂覆磁粉分散颗粒表面的涂层，其总能量约为890至约1390mJ。