Two-component developer, two-component developer holding container, and electrophotographic image formation apparatus equipped with the container
    1.
    发明授权
    Two-component developer, two-component developer holding container, and electrophotographic image formation apparatus equipped with the container 有权
    双组分显影剂,双组分显影剂保持容器和装备有容器的电子照相成像设备

    公开(公告)号:US06258502B1

    公开(公告)日:2001-07-10

    申请号:US09579133

    申请日:2000-05-30

    IPC分类号: G03G9097

    摘要: A two-component developer includes a magnetic carrier including magnetic carrier particles with an average particle diameter of 35 &mgr;m to 100 &mgr;m, and a toner including toner particles with a weight-average particle diameter of 6.0 &mgr;m to 11.5 &mgr;m, to which at least one additive is externally added thereto in an amount of 0.3 to 1.5 wt. % to the toner, the toner particles including (a) toner particles with a particle diameter of 5 &mgr;m or less with a content ratio of 15% or less by number, and (b) toner particles with such a particle diameter that is two times or greater than the weight-average particle diameter of the toner particles with a content ratio of 5% or less by volume, the toner particles satisfying a relationship of 0.60≦D25/D75≦0.85 as defined in the specification. A container in which the two-component developer is contained, and an electrophotographic image formation apparatus in which the container is incorporated are proposed.

    摘要翻译: 双组分显影剂包括磁性载体,其包括平均粒径为35μm至100μm的磁性载体颗粒,以及包含重均粒径为6.0μm至11.5μm的调色剂颗粒的调色剂,至少一个 添加剂的外部添加量为0.3〜1.5重量%。 调色剂颗粒包括(a)粒径为5μm或更小的调色剂颗粒,含量比例为15%以下,(b)具有两倍粒径的调色剂颗粒 或大于含有率为5体积%以下的调色剂颗粒的重均粒径,调色剂颗粒满足说明书中定义的0.60 <= D25 / D75 <= 0.85的关系。 提出了容纳双组分显影剂的容器和其中装入容器的电子照相图像形成装置。

    Image forming apparatus, process cartridge, image forming method and developer for electrophotography
    3.
    发明授权
    Image forming apparatus, process cartridge, image forming method and developer for electrophotography 有权
    图像形成装置,处理盒,图像形成方法和用于电子照相的显影剂

    公开(公告)号:US08213833B2

    公开(公告)日:2012-07-03

    申请号:US12013108

    申请日:2008-01-11

    IPC分类号: G03G15/08

    摘要: An image forming apparatus including at least an image bearer; a charger charging the image bearer; an irradiator irradiating the image bearer to form an electrostatic latent image thereon; an image developer developing the electrostatic latent image with a developer comprising a toner and a carrier to form a toner image on the image bearer; a developer feeder feeding a supplemental developer including the toner and the carrier into the image developer; and a developer collector collecting the developer in the image developer, wherein the developer feeder includes a cylindrical supplemental developer container containing the supplemental developer, including a spiral developer guide race on the inner circumferential surface thereof; and a sub-hopper configured to store the supplemental developer, and wherein the carrier includes a core material; and a layer coated on the core material, including a binder resin and non-black or a non-color inorganic particulate material.

    摘要翻译: 一种图像形成装置,至少包括图像载体; 一个充电器对图像承载器充电; 照射所述图像载体以在其上形成静电潜像的照射器; 使用包含调色剂和载体的显影剂显影静电潜像的图像显影剂,以在图像载体上形成调色剂图像; 显影剂供给器,将包括调色剂和载体的补充显影剂进料到图像显影剂中; 以及显影剂收集器,其收集图像显影剂中的显影剂,其中显影剂供给器包括容纳补充显影剂的圆柱形补充显影剂容器,在其内圆周表面上包括螺旋显影剂引导座圈; 以及副料斗,其构造成存储所述补充显影剂,并且其中所述载体包括芯材料; 以及涂覆在芯材上的层,包括粘合剂树脂和非黑色或非彩色无机颗粒材料。

    IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, IMAGE FORMING METHOD AND DEVELOPER FOR ELECTROPHOTOGRAPHY
    4.
    发明申请
    IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, IMAGE FORMING METHOD AND DEVELOPER FOR ELECTROPHOTOGRAPHY 有权
    图像形成装置,处理盒,图像形成方法和电子显微照相

    公开(公告)号:US20080171274A1

    公开(公告)日:2008-07-17

    申请号:US12013108

    申请日:2008-01-11

    IPC分类号: G03C5/56 G03G21/00 G03G9/087

    摘要: An image forming apparatus including at least an image bearer; a charger charging the image bearer; an irradiator irradiating the image bearer to form an electrostatic latent image thereon; an image developer developing the electrostatic latent image with a developer comprising a toner and a carrier to form a toner image on the image bearer; a developer feeder feeding a supplemental developer including the toner and the carrier into the image developer; and a developer collector collecting the developer in the image developer, wherein the developer feeder includes a cylindrical supplemental developer container containing the supplemental developer, including a spiral developer guide race on the inner circumferential surface thereof; and a sub-hopper configured to store the supplemental developer, and wherein the carrier includes a core material; and a layer coated on the core material, including a binder resin and non-black or a non-color inorganic particulate material.

    摘要翻译: 一种图像形成装置,至少包括图像载体; 一个充电器对图像承载器充电; 照射所述图像载体以在其上形成静电潜像的照射器; 使用包含调色剂和载体的显影剂显影静电潜像的图像显影剂,以在图像载体上形成调色剂图像; 显影剂供给器,将包括调色剂和载体的补充显影剂进料到图像显影剂中; 以及显影剂收集器,其收集图像显影剂中的显影剂,其中显影剂供给器包括容纳补充显影剂的圆柱形补充显影剂容器,在其内圆周表面上包括螺旋显影剂引导座圈; 以及副料斗,其构造成存储所述补充显影剂,并且其中所述载体包括芯材料; 以及涂覆在芯材上的层,包括粘合剂树脂和非黑色或非彩色无机颗粒材料。

    Carrier, developer including the carrier, and image forming apparatus using the developer
    5.
    发明授权
    Carrier, developer including the carrier, and image forming apparatus using the developer 有权
    包括载体的载体,显影剂和使用显影剂的图像形成装置

    公开(公告)号:US07272347B2

    公开(公告)日:2007-09-18

    申请号:US11528609

    申请日:2006-09-28

    IPC分类号: G03G15/09

    摘要: A carrier including a magnetic core material and a layer located on a surface of the magnetic core material, wherein the carrier satisfies the following relationships (1) to (3): 0.90≦(σa/σb)

    摘要翻译: 一种载体,包括磁芯材料和位于磁芯材料表面上的层,其中载体满足以下关系式(1)至(3):0.90 <=(sigmaa / sigmab)<1.00(1); 200 <=(sigmab.rhoc)<= 400(2); 10 <=(sigmab / rhoc)<= 20(3)其中sigmab表示载体在1,000 Oe下的磁化,σa表示在特定条件下与圆柱形套筒摩擦后载体的磁化,rhoc表示真实的 载体的重力,其中载体的重均粒径为约25至约65μm,并且包括重量平均粒径不大于约12μm的载体颗粒,其量不大于约0.3%,通过 重量,其中所述载体的重均粒径和数均粒径之间的比率为约1至约1.3,并且其中电阻为约1.0×10 9至约1.0 当以1000Hz的频率向载体的磁刷施加以下公式(4)表示的AC电压时,x10为11Ω·cm,形成在间隙为d的平行板电极之间 mm,使得磁刷具有sp A占有率为40%:E(V)= 250×d(4),其中d为0.40±0.05mm,E为峰值电压。

    CARRIER AND DEVELOPER FOR FORMING LATENT ELECTROSTATIC IMAGES, ASSOCIATED APPARATUS AND METHODOLOGY
    6.
    发明申请
    CARRIER AND DEVELOPER FOR FORMING LATENT ELECTROSTATIC IMAGES, ASSOCIATED APPARATUS AND METHODOLOGY 审中-公开
    形成静电影像的载体和开发者,相关设备和方法

    公开(公告)号:US20070202430A1

    公开(公告)日:2007-08-30

    申请号:US11744014

    申请日:2007-05-03

    IPC分类号: G03G9/113

    CPC分类号: G03G9/1075 G03G9/107

    摘要: A carrier for a double component developer for developing latent electrostatic images at least contains a particulate core material having a weight average particle diameter (Dw) of from 25 to 45 μm and a magnetic moment of from 65 to 90 Am2/Kg at 1 KOe and a resin layer located on the surface of the particulate core material. Further, the carrier has a breakdown voltage not less than 1,000 V.

    摘要翻译: 用于显影静电图像的双组分显影剂的载体至少含有重均粒径(Dw)为25至45μm,磁矩为65至90Am 2的颗粒芯材料, 1KOe的SUP> / Kg,位于颗粒状芯材表面的树脂层。 此外,载体具有不小于1000V的击穿电压。

    Carrier and developer for latent electrostatic image development, container housing developer, image forming process, image forming apparatus, and process cartridge
    7.
    发明授权
    Carrier and developer for latent electrostatic image development, container housing developer, image forming process, image forming apparatus, and process cartridge 有权
    用于静电潜像显影的载体和显影剂,容器外壳显影剂,图像形成工艺,成像设备和处理盒

    公开(公告)号:US07252919B2

    公开(公告)日:2007-08-07

    申请号:US11449808

    申请日:2006-06-09

    IPC分类号: G03G9/00

    CPC分类号: G03G9/107 G03G2215/0607

    摘要: A carrier for electrostatic development contains a core particle and a coating layer covering the core particle, and the core particle is a ferrite particle containing at least one of Zr in an amount of 0.005% by mass to 5% by mass and Bi in an amount of 0.001% by mass to 1% by mass. The carrier shows a sufficient resistance, is stably charged over a long period of time, can avoid roughness and irregular density in halftone images, prevents deposition of the carrier particles on a photoconductor, can satisfactorily reproduce character images and can produce high-quality images over a long period of time. The carrier is usable for constituting a developer, a container housing the developer, an image forming apparatus and process, and process cartridge using the developer.

    摘要翻译: 用于静电显影的载体包含芯颗粒和覆盖芯颗粒的涂层,芯颗粒是含有0.005质量%至5质量%的Zr中的至少一种的铁氧体颗粒,Bi含量为 为0.001质量%〜1质量%。 载体显示出足够的电阻,在长时间内稳定地充电,可以避免半色调图像中的粗糙度和不规则的密度,防止载体颗粒沉积在感光体上,可以令人满意地再现字符图像并且可以产生高质量的图像 很长一段时间。 载体可用于构成显影剂,容纳显影剂的容器,图像形成装置和处理以及使用显影剂的处理盒。

    Carrier, developer including the carrier, and image forming apparatus using the develper
    8.
    发明申请
    Carrier, developer including the carrier, and image forming apparatus using the develper 有权
    载体,显影剂,包括载体,以及使用脱毛剂的成像装置

    公开(公告)号:US20070082286A1

    公开(公告)日:2007-04-12

    申请号:US11528609

    申请日:2006-09-28

    IPC分类号: G03G9/113 G03G15/09

    摘要: A carrier including a magnetic core material and a layer located on a surface of the magnetic core material, wherein the carrier satisfies the following relationships (1) to (3): 0.90≦(σa/σb)

    摘要翻译: 一种载体,包括磁芯材料和位于磁芯材料表面上的层,其中载体满足以下关系式(1)至(3):0.90 <=(sigmaa / sigmab)<1.00(1); 200 <=(sigmab.rhoc)<= 400(2); 10 <=(sigmab / rhoc)<= 20(3)其中sigmab表示载体在1,000 Oe下的磁化,σa表示在特定条件下与圆柱形套筒摩擦后载体的磁化,rhoc表示真实的 载体的重力,其中载体的重均粒径为约25至约65μm,并且包括重量平均粒径不大于约12μm的载体颗粒,其量不大于约0.3%,通过 重量,其中所述载体的重均粒径和数均粒径之间的比率为约1至约1.3,并且其中电阻为约1.0×10 9至约1.0 当以1000Hz的频率向载体的磁刷施加以下公式(4)表示的AC电压时,x10为11Ω·cm,形成在间隙为d的平行板电极之间 mm,使得磁刷具有sp A占有率为40%:E(V)= 250×d(4),其中d为0.40±0.05mm,E为峰值电压。

    Carrier and developer for latent electrostatic image development, container housing developer, image forming process, image forming apparatus, and process cartridge
    9.
    发明授权
    Carrier and developer for latent electrostatic image development, container housing developer, image forming process, image forming apparatus, and process cartridge 有权
    用于静电潜像显影的载体和显影剂,容器外壳显影剂,图像形成工艺,成像设备和处理盒

    公开(公告)号:US07144669B2

    公开(公告)日:2006-12-05

    申请号:US10798871

    申请日:2004-03-12

    IPC分类号: G03G9/00

    CPC分类号: G03G9/107 G03G2215/0607

    摘要: A carrier for electrostatic development contains a core particle and a coating layer covering the core particle, and the core particle is a ferrite particle containing at least one of Zr in an amount of 0.005% by mass to 5% by mass and Bi in an amount of 0.001% by mass to 1% by mass. The carrier shows a sufficient resistance, is stably charged over a long period of time, can avoid roughness and irregular density in halftone images, prevents deposition of the carrier particles on a photoconductor, can satisfactorily reproduce character images and can produce high-quality images over a long period of time. The carrier is usable for constituting a developer, a container housing the developer, an image forming apparatus and process, and process cartridge using the developer.

    摘要翻译: 用于静电显影的载体包含芯颗粒和覆盖芯颗粒的涂层,芯颗粒是含有0.005质量%至5质量%的Zr中的至少一种的铁氧体颗粒,Bi含量为 为0.001质量%〜1质量%。 载体显示出足够的电阻,在长时间内稳定地充电,可以避免半色调图像中的粗糙度和不规则的密度,防止载体颗粒沉积在感光体上,可以令人满意地再现字符图像并且可以产生高质量的图像 很长一段时间。 载体可用于构成显影剂,容纳显影剂的容器,图像形成装置和处理以及使用显影剂的处理盒。

    Carrier and developer for latent electrostatic image development, container housing developer, image forming process, image forming apparatus, and processing cartridge
    10.
    发明申请
    Carrier and developer for latent electrostatic image development, container housing developer, image forming process, image forming apparatus, and processing cartridge 有权
    用于静电潜像显影的载体和显影剂,容器外壳显影剂,成像工艺,成像设备和处理盒

    公开(公告)号:US20060228641A1

    公开(公告)日:2006-10-12

    申请号:US11449808

    申请日:2006-06-09

    IPC分类号: G03G9/107

    CPC分类号: G03G9/107 G03G2215/0607

    摘要: A carrier for electrostatic development contains a core particle and a coating layer covering the core particle, and the core particle is a ferrite particle containing at least one of Zr in an amount of 0.005% by mass to 5% by mass and Bi in an amount of 0.001% by mass to 1% by mass. The carrier shows a sufficient resistance, is stably charged over a long period of time, can avoid roughness and irregular density in halftone images, prevents deposition of the carrier particles on a photoconductor, can satisfactorily reproduce character images and can produce high-quality images over a long period of time. The carrier is usable for constituting a developer, a container housing the developer, an image forming apparatus and process, and process cartridge using the developer.

    摘要翻译: 用于静电显影的载体包含芯颗粒和覆盖芯颗粒的涂层,芯颗粒是含有0.005质量%至5质量%的Zr中的至少一种的铁氧体颗粒,Bi含量为 为0.001质量%〜1质量%。 载体显示出足够的电阻,在长时间内稳定地充电,可以避免半色调图像中的粗糙度和不规则的密度,防止载体颗粒沉积在感光体上,可以令人满意地再现字符图像并且可以产生高质量的图像 很长一段时间。 载体可用于构成显影剂,容纳显影剂的容器,图像形成装置和处理以及使用显影剂的处理盒。