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31 条记录 (耗时 0.025 秒)

    Two-component developer, replenishing developer, and image-forming method
    1.
    发明公开
    Two-component developer, replenishing developer, and image-forming method 有权
    Zweikomponenten-Entwickler，Auffüllentwicklerund Bilderzeugungsverfahren

    公开(公告)号：EP2735908A1

    公开(公告)日：2014-05-28

    申请号：EP13196943.8

    申请日：2008-02-01

    申请人： Canon Kabushiki Kaisha

    发明人： Ishigami, Koh ,  Terauchi, Kazuo ,  Umeda, Noriyoshi ,  Ida, Tetsuya ,  Okamoto, Naoki ,  Hotta, Yojiro ,  Baba, Yoshinobu ,  Itakura, Takayuki ,  Yamamoto, Takeshi ,  Haraguchi, Manami ,  Kubo, Kenta

    IPC分类号： G03G9/09 ,  G03G9/10 ,  G03G9/08

    CPC分类号： G03G15/01 ,  G03G9/0821 ,  G03G9/0823 ,  G03G9/083 ,  G03G9/09 ,  G03G9/10

    摘要： An object of the present invention is to provide a two-component developer which can achieve a high-definition image with a smaller toner laid-on level than a conventional one, provides a color gamut comparable to that of printing, can respond to an increase in printing speed, and allows an image with a stable tinge to be formed even in long-term use. The object can be achieved by a two-component developer containing a cyan toner and a magnetic carrier, the two-component developer being characterized in that the cyan toner has the following characteristics: (i) when the concentration of the cyan toner in a solution of the cyan toner in chloroform is represented by Cc (mg/ml) and the absorbance of the solution at a wavelength of 712 nm is represented by A712, a relationship between Cc and A712 satisfies the relationship of 2.00 * and chroma C * of the cyan toner determined in a powder state satisfy the relationships of 25.0 ≤ L * ≤ 40.0 and 50.0 ≤ C * ≤ 60.0; and (iii) the absolute value for the triboelectric charge quantity of the cyan toner measured by a two-component method using the cyan toner and the magnetic carrier is 50 mC/kg or more and 120 mC/kg or less.

    摘要翻译： 本发明的目的是提供一种双组分显影剂，其可以实现具有比常规的更小的调色剂沉积水平的高清晰度图像，提供与印刷相当的色域，可以响应于增加 在打印速度上，并且即使长期使用也可以形成具有稳定色调的图像。 该目的可以通过含有青色调色剂和磁性载体的双组分显影剂来实现，该双组分显影剂的特征在于青色调色剂具有以下特征：（i）当溶液中青色调色剂的浓度 氯仿中的青色调色剂以Cc（mg / ml）表示，波长712nm处的溶液的吸光度由A712表示，Cc和A712之间的关系满足2.00

    Developing assembly, image-forming apparatus and process cartridge
    4.
    发明公开
    Developing assembly, image-forming apparatus and process cartridge 有权
    Entwicklungseinheit，Bilderzeugungsgerätund Arbeitseinheit

    公开(公告)号：EP1308796A3

    公开(公告)日：2005-03-30

    申请号：EP02024132.9

    申请日：2002-10-29

    申请人： CANON KABUSHIKI KAISHA

    发明人： Otake, Satoshi ,  Goseki, Yasuhide ,  Shimamura, Masayoshi ,  Akashi, Yasutaka ,  Fujishima, Kenji ,  Saiki, Kazunori ,  Okamoto, Naoki

    IPC分类号： G03G15/09

    CPC分类号： G03G15/0928

    摘要： In a developing assembly including a two-component developer container and a developer-carrying member, the developer-carrying member has at least a substrate (105) and a resin coat layer (106) formed on the substrate surface, and the resin coat layer contains at least a binder resin (107) and solid particles (110) for making the resin coat layer surface uneven. The solid particles satisfying an average circularity of 0.64 or more which is an average value of the values calculated according to the equationCircularity = (4 × A)/{(ML)2 × Π}, (wherein ML represents the Pythagorean-method maximum length of a particle projected image, and A represents the projected area of a particle image), and the resin coat layer has surface roughness fulfilling specific conditions attributable to the solid particles. Also disclosed are an image-forming apparatus and a process cartridge which employ the developing assembly.

    摘要翻译： 在包括双组分显影剂容器和显影剂承载构件的显影组件中，显影剂承载构件至少具有基材（105）和形成在基材表面上的树脂涂层（106），树脂涂层 含有至少一种用于使树脂涂层表面不均匀的粘合剂树脂（107）和固体颗粒（110）。 满足平均圆形度为0.64以上的固体颗粒，其为根据方程式计算的值的平均值。圆形度=（4×A）/ä（ML）<2> x PIü， （其中ML表示粒子投影图像的毕达哥拉法最大长度，A表示粒子图像的投影面积），树脂涂层具有满足固体粒子的特定条件的表面粗糙度。 还公开了使用显影组件的图像形成装置和处理盒。

    Developer carrying member and developing method by using thereof
    5.
    发明公开
    Developer carrying member and developing method by using thereof 有权
    Entwicklerträgerelementund dieses verwendende Entwicklungsmethode

    公开(公告)号：EP1513026A2

    公开(公告)日：2005-03-09

    申请号：EP04012636.9

    申请日：2004-05-27

    申请人： CANON KABUSHIKI KAISHA

    发明人： Shimamura, Masayoshi ,  Fujishima, Kenji ,  Okamoto, Naoki ,  Akashi, Yasutaka ,  Otake, Satoshi ,  Saiki, Kazunori ,  Goseki, Yasuhide

    IPC分类号： G03G15/09 ,  G03G13/09

    CPC分类号： G03G15/0818 ,  G03G15/0813 ,  G03G15/0928 ,  G03G2215/0634 ,  Y10T428/24372 ,  Y10T428/24802 ,  Y10T428/24893 ,  Y10T428/25 ,  Y10T428/252 ,  Y10T428/254 ,  Y10T428/2991

    摘要： The present invention relates to a developer carrying member (8) for carrying a developer having at least a substrate and a resin-coated layer (17) formed on the surface of the substrate. The developer carrying member is the one which carries a one-component developer (4) to visualize the electrostatic latent image carried by the electrostatic latent image carrying member (1), the resin-coated layer contains at least a binder resin (c), graphitized particles (b) and roughing particles (a), the graphitized particles (b) has 0.20 to 0.95 of graphitization degree (p (002)), and wherein in the surface configuration of the resin-coated layer (17) as measured by use of focusing optical laser, the volume (B) of a microtopographical region defined by a certain area (A) of the microtopographical region without convexity formed by the roughing particles meets the following relationship 4.5≤B/A≤6.5, and the resin-coated layer has 0.9 to 2.5 µm of arithmetic mean roughness (Ra).

    摘要翻译： 本发明涉及用于承载至少具有基材的显影剂和形成在基材表面上的树脂涂层（17）的显影剂承载构件（8）。 显影剂承载构件是携带单组分显影剂（4）以使由静电潜像承载构件（1）承载的静电潜像可视化的树脂涂层至少含有粘合剂树脂（c）， 石墨化颗粒（b）和粗化颗粒（a），石墨化颗粒（b）具有石墨化程度（p（002））的0.20至0.95，并且其中树脂涂层（17）的表面形状由 使用聚焦光学激光器，由粗糙颗粒形成的无凸形的微区域的某一面积（A）限定的微图形区域的体积（B）满足以下关系4.5‰B / A‰6.5， 涂层具有0.9至2.5μm的算术平均粗糙度（Ra）。

    Developing apparatus, apparatus unit, and image forming method
    6.
    发明公开
    Developing apparatus, apparatus unit, and image forming method 有权
    Entwicklungsapparat，Apparate-Einheit und Bilderzeugungsverfahren

    公开(公告)号：EP0950928A1

    公开(公告)日：1999-10-20

    申请号：EP99107664.7

    申请日：1999-04-16

    申请人： CANON KABUSHIKI KAISHA

    发明人： Okamoto, Naoki ,  Goseki, Yasuhide ,  Shimamura, Masayoshi ,  Fujishima, Kenji ,  Saiki, Kazunori ,  Otake, Satoshi

    IPC分类号： G03G15/08 ,  G03G15/09

    CPC分类号： G03G15/0928 ,  G03G2215/0861

    摘要： A developing apparatus has a developer container for holding a developer, a developer carrying member for carrying a positively chargeable developer held in the developer container and transporting the developer to a developing zone and a developer layer-thickness regulating member for regulating the thickness of a positively chargeable developer layer to be formed on the developer carrying member. The developer carrying member has at least a substrate and a resin coat layer formed of a resin composition on the surface of the substrate. The resin composition contains at least (I) a binder resin, (II) a conductive fine powder, (III) spherical particles having a number-average particle diameter of from 0.3 µm to 30 µm and (IV) a quaternary ammonium salt compound which is positively chargeable to iron powder.

    摘要翻译： 显影装置具有用于保持显影剂的显影剂容器，用于承载保持在显影剂容器中的带正电荷的显影剂并将显影剂输送到显影区的显影剂承载构件和用于调节厚度的显影剂层厚度调节构件 可显影显影剂层形成在显影剂承载构件上。 显影剂承载构件至少具有基材和由基材表面上的树脂组合物形成的树脂涂层。 树脂组合物至少包含（I）粘合剂树脂，（II）导电细粉末，（III）数均粒径为0.3μm至30μm的球形颗粒和（IV）季铵盐 对铁粉有正电荷的化合物。

    High speed image forming method and apparatus using an intermediate transfer belt and toner of predetermined elastic deformability
    10.
    发明公开
    High speed image forming method and apparatus using an intermediate transfer belt and toner of predetermined elastic deformability 有权
    图像在给定的弹性变形形成以高速与中间转印带的调色剂的方法和图像形成装置

    公开(公告)号：EP1617299A3

    公开(公告)日：2006-01-25

    申请号：EP05009004.2

    申请日：2005-04-25

    申请人： CANON KABUSHIKI KAISHA

    发明人： Sugahara, Nobuyoshi ,  Fujikawa, Hiroyuki ,  Ishigami, Koh ,  Okamoto, Naoki ,  Baba, Yoshinobu ,  Itakura, Takayuki

    IPC分类号： G03G15/16 ,  G03G9/08

    CPC分类号： G03G15/161 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G15/162

    摘要： An image forming method and apparatus for providing a primary transfer of a toner image formed on a photosensitive member to an intermediate transfer member (8c), a secondary transfer of the toner image held on the intermediate transfer member to a transfer material, and, after the secondary transfer, a cleanup for removing the toner remaining on the intermediate transfer member by bringing a fur brush or a charging roller into contact with the intermediate transfer member, and wherein both the intermediate transfer member has a specific maximum displacement quantity (Sb) and a specific elastic deformation percentage (Eb) (%) and the toner which forms the toner image has a specific average circularity, a specific maximum displacement quantity (St) and a specific elastic deformation percentage (Et) (%), so that when measured with an ultra-microhardness meter ENT1100 from Elionix Co., the elastic deformation percentage of the intermediate transfer member and the elastic deformation percentage of the toner satisfy the following conditional expression: 75 ≤ Eb + Et ≤ 135.