Developing roller for electrophotographic image forming
    1.
    发明授权
    Developing roller for electrophotographic image forming 有权
    用于电子照相成像的显影辊

    公开(公告)号:US08670700B2

    公开(公告)日:2014-03-11

    申请号:US13559987

    申请日:2012-07-27

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0818

    摘要: A developing roller is provided, which is particularly used in an image forming apparatus of a highly durable design and is free from toner leakage even after formation of a predetermined number of images. Opposite end regions (5a) of an outer peripheral surface (5) of a roller body (2) of the developing roller (1) to be respectively kept in sliding contact with seal members each have a friction coefficient μ of not greater than 0.15.

    摘要翻译: 提供了一种显影辊,其特别用于高度耐用设计的图像形成装置中,即使在形成预定数量的图像之后也不会有调色剂泄漏。 与密封件分别保持滑动接触的显影辊(1)的辊体(2)的外周面(5)的相对的端部区域(5a)各自具有不大于0.15的摩擦系数μ。

    DEVELOPING ROLLER
    2.
    发明申请
    DEVELOPING ROLLER 有权
    开发滚子

    公开(公告)号:US20130089362A1

    公开(公告)日:2013-04-11

    申请号:US13559987

    申请日:2012-07-27

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0818

    摘要: A developing roller is provided, which is particularly used in an image forming apparatus of a highly durable design and is free from toner leakage even after formation of a predetermined number of images. Opposite end regions (5a) of an outer peripheral surface (5) of a roller body (2) of the developing roller (1) to be respectively kept in sliding contact with seal members each have a friction coefficient μ of not greater than 0.15.

    摘要翻译: 提供了一种显影辊,其特别用于高度耐用设计的图像形成装置中,即使在形成预定数量的图像之后也不会有调色剂泄漏。 与密封件分别保持滑动接触的显影辊(1)的辊体(2)的外周面(5)的相对端部区域(5a)各自具有不大于0.15的摩擦系数μ。

    Developing roller
    3.
    发明授权
    Developing roller 有权
    开发辊

    公开(公告)号:US09075340B2

    公开(公告)日:2015-07-07

    申请号:US13494696

    申请日:2012-06-12

    IPC分类号: G03G15/08 G03G13/20

    摘要: An inventive developing roller is adapted for use in an electrophotographic image forming apparatus. The developing roller includes a roller body. At least an outer peripheral surface of the roller body is formed from a rubber composition containing a base rubber. The base rubber contains a styrene butadiene rubber in a proportion of not less than 10 mass % and not greater than 70 mass % based on the overall amount of the base rubber. The outer peripheral surface of the rubber body has a surface roughness Ra of not less than 0.78 μm and not greater than 1.8 μm.

    摘要翻译: 本发明的显影辊适用于电子照相成像设备。 显影辊包括辊体。 辊体的至少外周面由含有基础橡胶的橡胶组合物形成。 基础橡胶含有基于橡胶总量不小于10质量%且不大于70质量%的丁苯橡胶。 橡胶体的外周面的表面粗糙度Ra为0.78μm以上且1.8μm以下。

    DEVELOPING ROLLER
    4.
    发明申请
    DEVELOPING ROLLER 有权
    开发滚子

    公开(公告)号:US20130051870A1

    公开(公告)日:2013-02-28

    申请号:US13494696

    申请日:2012-06-12

    IPC分类号: G03G15/08

    摘要: An inventive developing roller is adapted for use in an electrophotographic image forming apparatus. The developing roller includes a roller body. At least an outer peripheral surface of the roller body is formed from a rubber composition containing a base rubber. The base rubber contains a styrene butadiene rubber in a proportion of not less than 10 mass % and not greater than 70 mass % based on the overall amount of the base rubber. The outer peripheral surface of the rubber body has a surface roughness Ra of not less than 0.78 μm and not greater than 1.8 μm.

    摘要翻译: 本发明的显影辊适用于电子照相成像设备。 显影辊包括辊体。 辊体的至少外周面由含有基础橡胶的橡胶组合物形成。 基础橡胶含有基于橡胶总量不小于10质量%且不大于70质量%的丁苯橡胶。 橡胶体的外周面的表面粗糙度Ra为0.78μm以上且1.8μm以下。

    Semiconductive roller, toner transport roller and electrophotographic apparatus
    5.
    发明授权
    Semiconductive roller, toner transport roller and electrophotographic apparatus 有权
    半导电辊,调色剂输送辊和电子照相设备

    公开(公告)号:US08744324B2

    公开(公告)日:2014-06-03

    申请号:US13175001

    申请日:2011-07-01

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0818 G03G2215/0634

    摘要: The semiconductive roller according to the present invention includes a roller body having an outer peripheral surface made of a crosslinked substance of a semiconductive rubber composition and exhibiting Shore A hardness of not more than 60, the semiconductive rubber composition contains a base polymer made of a mixture of (1) mixed rubber N of liquid nitrile rubber and solid nitrile rubber, (2) chloroprene rubber C, and (3) epichlorohydrin rubber E in a mass ratio (C+E)/N of 10/90 to 80/20, the ratios of the chloroprene rubber and the epichlorohydrin rubber in the total quantity of the base polymer are not less than 5 mass % and not less than 5 mass % respectively, and roller resistance at an applied voltage of 5 V is not less than 104Ω and not more than 109Ω.

    摘要翻译: 根据本发明的半导电辊包括:具有由半导体橡胶组合物的交联物质制成的外周表面并且肖氏A硬度不大于60的辊体,所述半导体橡胶组合物含有由混合物制成的基础聚合物 的(1)混合橡胶N为液态丁腈橡胶和固体丁腈橡胶,(2)氯丁二烯橡胶C和(3)表氯醇橡胶E的质量比(C + E)/ N为10/90〜80/20, 氯丁橡胶和表氯醇橡胶在基础聚合物总量中的比例分别不低于5质量%且不小于5质量%,施加电压为5V时的辊电阻不小于104&OHgr; 不超过109&OHgr。

    Conductive roller
    7.
    发明授权
    Conductive roller 有权
    导电辊

    公开(公告)号:US08396402B2

    公开(公告)日:2013-03-12

    申请号:US12569667

    申请日:2009-09-29

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0812 G03G15/0233

    摘要: The present invention provides a conductive roller having a toner transport part composed of a vulcanized rubber composition at least on an outermost layer thereof. The vulcanized rubber composition contains a rubber component (A), highly conductive carbon black (B) having a particle diameter not less than 18 nm and less than 80 nm, an inorganic filler (C) consisting of not less than one kind of a metal oxide selected from among a group of titanium oxide, alumina, and silica. A total of a content of the highly conductive carbon black (B) and a content of the inorganic filler (C) for 100 parts by mass of the rubber component (A) is not less than 10 parts by mass nor more than 60 parts by mass.

    摘要翻译: 本发明提供一种导电辊,其具有至少在其最外层上由硫化橡胶组合物构成的调色剂输送部。 硫化橡胶组合物含有橡胶组分(A),粒径不小于18nm且小于80nm的高导电性炭黑(B),由不少于一种金属组成的无机填料(C) 选自氧化钛,氧化铝和二氧化硅的氧化物。 对于100质量份的橡胶组分(A),高导电性炭黑(B)的含量和无机填充剂(C)的含量的总计为10质量份以上,60体积份以下 质量

    Toner transport roller
    8.
    发明授权
    Toner transport roller 有权
    墨粉输送辊

    公开(公告)号:US07356293B2

    公开(公告)日:2008-04-08

    申请号:US11252586

    申请日:2005-10-19

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0817

    摘要: A toner transport roller (10) including a sealing member (3), for preventing leak of toner, which contacts a peripheral surface of a rubber roller (1) thereof slidably. The toner transport roller (10) contains 3 to 50 parts by mass of alumina for 100 parts by mass of an ionic-conductive rubber and a loss tangent-adjusting filler. The annular sealing member (3) is slidably fitted on both ends of the rubber roller (1) in an axial direction thereof. It is preferable that the specific gravity of the ionic-conductive rubber is set to not less than 1.2.

    摘要翻译: 一种调色剂输送辊(10),其包括密封构件(3),用于防止与橡胶辊(1)的周面接触的调色剂泄漏。 调色剂输送辊(10)对于100质量份的离子导电橡胶和损耗切线调节填料含有3〜50质量份的氧化铝。 环形密封构件(3)沿其轴向可滑动地装配在橡胶辊(1)的两端。 优选将离子性导电性橡胶的比重设定为1.2以上。

    Conductive elastomer composition, conductive member using conductive elastomer composition, image-forming apparatus having conductive member
    9.
    发明授权
    Conductive elastomer composition, conductive member using conductive elastomer composition, image-forming apparatus having conductive member 有权
    导电弹性体组合物,使用导电弹性体组合物的导电构件,具有导电构件的成像装置

    公开(公告)号:US07098264B2

    公开(公告)日:2006-08-29

    申请号:US10704906

    申请日:2003-11-12

    IPC分类号: H01B1/06

    摘要: A conductive elastomer composition includes an ionic-conductive elastomer component, which contains an anion-containing salt having a fluoro group (F—) and a sulfonyl group (—SO2—). The conductive elastomer composition has a volume charge not more than 108.5 (Ω·cm) when the volume charge is measured at a voltage of 100V applied thereto in accordance with the method specified in JIS K6911. The conductive elastomer composition has a compression set not more than 30% when the compression set is measured at a temperature of 70° C. for 24 hours at a compressibility ratio of 25% in accordance with “the permanent set testing methods for rubber, vulcanized or thermoplastic” specified in JIS K6262.

    摘要翻译: 导电弹性体组合物包括含有具有氟基(F-)和磺酰基(-SO 2 - ) - 的含阴离子盐的离子导电弹性体组分。 当根据JIS K6911中规定的方法在其施加的电压为100V下测量体积电荷时,导电弹性体组合物的体积电荷不超过10 8.5(Ω·cm)。 导电性弹性体组合物的压缩永久变形试验方法根据“橡胶的永久固定试验方法,硫化的”,在70℃的温度下以25%的压缩率测定24小时时的压缩永久变形量为30%以下 或热塑性塑料“。

    Conductive elastomer composition, conductive member using conductive elastomer composition, image-forming apparatus having conductive member
    10.
    发明申请
    Conductive elastomer composition, conductive member using conductive elastomer composition, image-forming apparatus having conductive member 有权
    导电弹性体组合物,使用导电弹性体组合物的导电构件,具有导电构件的成像装置

    公开(公告)号:US20060074162A1

    公开(公告)日:2006-04-06

    申请号:US11251832

    申请日:2005-10-18

    IPC分类号: C08K3/00

    摘要: A conductive elastomer composition includes an ionic-conductive elastomer component, which contains an anion-containing salt having a fluoro group (F—) and a sulfonyl group (—SO2—). The conductive elastomer composition has a volume charge not more than 108.5 (Ω·cm) when the volume charge is measured at a voltage of 100V applied theretoin accordance with the method specified in JIS K6911. The conductive elastomer composition has a compression set not more than 30% when the compression set is measured at a temperature of 70° C. for 24 hours at a compressibility ratio of 25% in accordance with “the permanent set testing methods for rubber, vulcanized or thermoplastic” specified in JIS K6262.

    摘要翻译: 导电弹性体组合物包括含有具有氟基(F-)和磺酰基(-SO 2 - ) - 的含阴离子盐的离子导电弹性体组分。 当根据JIS K6911规定的方法在100V的电压下测量体积电荷时,导电弹性体组合物的体积电荷不大于10%(Ω·cm)。 导电性弹性体组合物的压缩永久变形试验方法根据“橡胶的永久固定试验方法,硫化的”,在70℃的温度下以25%的压缩率测定24小时时的压缩永久变形量为30%以下 或热塑性塑料“。