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    Conductive roller and inspection method therefor
    1.
    发明授权
    Conductive roller and inspection method therefor 有权
    导电辊及其检测方法

    公开(公告)号：US07744515B2

    公开(公告)日：2010-06-29

    申请号：US11318546

    申请日：2005-12-28

    申请人： Makoto Iwamura ,  Naoki Hirakawa ,  Masashi Yamazaki ,  Hitoshi Shirasaka

    发明人： Makoto Iwamura ,  Naoki Hirakawa ,  Masashi Yamazaki ,  Hitoshi Shirasaka

    IPC分类号： F16C13/00 ,  B21K1/02

    CPC分类号： B05C1/0808 ,  G03G15/0818 ,  Y10T29/49544 ,  Y10T29/4956 ,  Y10T29/49563

    摘要： A conductive roller which can form images of consistent quality and does not cause image failures such as formation of blank spots and a method for inspecting the roller. The conductive roller having a metallic core and at least one rubber elastic layer provided on the outer peripheral surface of the core, the rubber elastic layer being formed from a conductive rubber to which conductivity has been imparted by carbon powder, wherein the conductive roller satisfies the relationship represented by formula (1): Zr/Zc≧5  (1), wherein Zr (Ω) represents a resistance component and Zc (Ω) represents a capacitive reactance component, the resistance component Zr (Ω) and the capacitive reactance component Zc (Ω) being calculated respectively from impedance Z (Ω) and phase difference θ, when the impedance Z (Ω) is measured upon application of an AC voltage of 0.2 V at a frequency of 1 Hz to the rubber elastic layer.

    摘要翻译： 导电辊可以形成质量一致的图像，并且不会引起图像故障，例如形成空白斑点和检查滚筒的方法。 所述导电辊具有金属芯和至少一个橡胶弹性层，所述橡胶弹性层设置在所述芯的外周表面上，所述橡胶弹性层由导电性橡胶形成，所述导电性橡胶由碳粉赋予了导电性，其中所述导电性辊满足 由式（1）表示的关系：Zr /Zc≥5（1）其中Zr（＆OHgr）表示电阻成分，Zc（＆OHgr）表示电容电抗分量，电阻成分Zr（＆OHgr） 当阻抗Z（＆OHgr））以1Hz的频率施加0.2V的AC电压时，测量阻抗Z（＆OHgr）时，分别从阻抗Z（＆OHgr）和相位差等级计算出电抗分量Zc（＆OHgr） 橡胶弹性层。

    Conductive roller and inspection method therefor
    2.
    发明申请
    Conductive roller and inspection method therefor 有权
    导电辊及其检测方法

    公开(公告)号：US20060142131A1

    公开(公告)日：2006-06-29

    申请号：US11318546

    申请日：2005-12-28

    申请人： Makoto Iwamura ,  Naoki Hirakawa ,  Masashi Yamazaki ,  Hitoshi Shirasaka

    发明人： Makoto Iwamura ,  Naoki Hirakawa ,  Masashi Yamazaki ,  Hitoshi Shirasaka

    IPC分类号： B05C1/08

    CPC分类号： B05C1/0808 ,  G03G15/0818 ,  Y10T29/49544 ,  Y10T29/4956 ,  Y10T29/49563

    摘要： The invention provides a conductive roller which can form images of consistent quality and does not cause image failures such as formation of blank spots and a method for inspecting the roller. The conductive roller having a metallic core and at least one rubber elastic layer provided on the outer peripheral surface of the core, the rubber elastic layer being formed from a conductive rubber to which conductivity has been imparted by carbon powder, wherein the conductive roller satisfies the relationship represented by formula (1): Zr/Zc≧5  (1), wherein Zr (Ω) represents a resistance component calculated from impedance Z (Ω) and phase difference θ, and Zc (Ω) represents a capacitive reactance component, as measured upon application of an AC voltage of 0.2 V at a frequency of 1 Hz.

    摘要翻译： 本发明提供一种导电辊，其可以形成一致质量的图像，并且不引起诸如形成空白斑点的图像故障和用于检查辊的方法。 所述导电辊具有金属芯和至少一个橡胶弹性层，所述橡胶弹性层设置在所述芯的外周表面上，所述橡胶弹性层由导电性橡胶形成，所述导电性橡胶由碳粉赋予了导电性，其中所述导电性辊满足 关系式（1）表示：<？in-line-formula description =“In-line formula”end =“lead”？> Zr / Zc> = 5（1），<？in-line-formula description = 其中Zr（Ω）表示从阻抗Z（Ω）和相位差θ计算出的电阻分量，Zc（Ω）表示电容电抗分量， 交流电压为0.2 V，频率为1Hz。

    HIGH-STRENGTH STAINLESS STEEL MATERIAL AND PRODUCTION PROCESS OF THE SAME
    6.
    发明申请
    HIGH-STRENGTH STAINLESS STEEL MATERIAL AND PRODUCTION PROCESS OF THE SAME 有权
    高强度不锈钢材料及其生产工艺

    公开(公告)号：US20100282372A1

    公开(公告)日：2010-11-11

    申请号：US12811617

    申请日：2009-02-02

    申请人： Naoki Hirakawa ,  Hiroshi Fujimoto ,  Satoshi Suzuki

    发明人： Naoki Hirakawa ,  Hiroshi Fujimoto ,  Satoshi Suzuki

    IPC分类号： C21D6/00 ,  C21D11/00 ,  C22C38/58 ,  C22C38/02

    CPC分类号： C22C38/18 ,  C21D6/00 ,  C21D9/46 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/40 ,  C22C38/42

    摘要： Provided is a high-strength stainless steel material having less deterioration in mechanical strength and improved workability, particularly bending workability compared with conventional steel materials. The high-strength stainless steel material of the present invention has a specific composition, has a metal microstructure composed of two phases, that is a ferrite phase and a martensite phase, has a γmax of from 50 to 85, the γmax being represented by the following equation (1): γmax=420Wc+470WN+23WNi+7WMn−11.5WCr−11.5WSi+189 (1) wherein, Wc, WN, WNi, WMn, WCr, and WSi; represent contents (unit: mass %) of C, N, Ni, Mn, Cr, and Si relative to the total mass of the stainless steel material, respectively; and has a difference of 300 HV or less in hardness between the ferrite phase and the martensite phase.

    摘要翻译： 本发明提供一种与以往的钢材相比，机械强度劣化小，加工性提高，特别是弯曲加工性的高强度不锈钢材料。 本发明的高强度不锈钢材料具有特定的组成，具有由两相组成的金属组织，即铁素体相和马氏体相，γmax为50〜85，γmax由 以下等式（1）：γmax= 420Wc + 470WN + 23WNi + 7WMn-11.5WCr-11.5WSi + 189（1）其中，Wc，WN，WNi，WMn，WCr和WSi; 分别表示相对于不锈钢材料的总质量的C，N，Ni，Mn，Cr和Si的含量（单位：质量％）。 并且在铁素体相和马氏体相之间的硬度差为300HV以下。

    High-strength stainless steel material and production process of the same
    8.
    发明授权
    High-strength stainless steel material and production process of the same 有权
    高强度不锈钢材料和生产工艺相同

    公开(公告)号：US08273191B2

    公开(公告)日：2012-09-25

    申请号：US12811617

    申请日：2009-02-02

    申请人： Naoki Hirakawa ,  Hiroshi Fujimoto ,  Satoshi Suzuki

    发明人： Naoki Hirakawa ,  Hiroshi Fujimoto ,  Satoshi Suzuki

    IPC分类号： C22C38/40 ,  C21D6/02

    CPC分类号： C22C38/18 ,  C21D6/00 ,  C21D9/46 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/40 ,  C22C38/42

    摘要： Provided is a high-strength stainless steel material having less deterioration in mechanical strength and improved workability, particularly bending workability compared with conventional steel materials. The high-strength stainless steel material of the present invention has a specific composition, has a metal microstructure composed of two phases, that is a ferrite phase and a martensite phase, has a γmax of from 50 to 85, the γmax being represented by the following equation (1): γmax=420Wc+470WN+23WNi+7WMn−11.5WCr−11.5WSi+189  (1) wherein, Wc, WN, WNi, WMn, WCr, and WSi; represent contents (unit: mass %) of C, N, Ni, Mn, Cr, and Si relative to the total mass of the stainless steel material, respectively; and has a difference of 300 HV or less in hardness between the ferrite phase and the martensite phase.

    摘要翻译： 本发明提供一种与以往的钢材相比，机械强度劣化小，加工性提高，特别是弯曲加工性的高强度不锈钢材料。 本发明的高强度不锈钢材料具有特定的组成，具有由两相组成的金属组织，即铁素体相和马氏体相，γmax为50〜85，γmax由 以下等式（1）：γmax= 420Wc + 470WN + 23WNi + 7WMn-11.5WCr-11.5WSi + 189（1）其中，Wc，WN，WNi，WMn，WCr和WSi; 分别表示相对于不锈钢材料的总质量的C，N，Ni，Mn，Cr和Si的含量（单位：质量％）。 并且在铁素体相和马氏体相之间的硬度差为300HV以下。

    Conductive rubber member
    9.
    发明授权
    Conductive rubber member 有权
    导电橡胶构件

    公开(公告)号：US08066626B2

    公开(公告)日：2011-11-29

    申请号：US12239911

    申请日：2008-09-29

    申请人： Naoki Hirakawa ,  Asami Toki

    发明人： Naoki Hirakawa ,  Asami Toki

    IPC分类号： F16C13/00

    CPC分类号： G03G15/0233 ,  G03G15/0818 ,  G03G15/1685

    摘要： The conductive rubber member of the invention has a conductive elastic layer to which conductivity has been imparted and which serves as an outermost layer, and a surface-treated layer formed through impregnating a surface of the conductive elastic layer with a surface-treatment liquid containing at least an isocyanate component and an organic solvent, wherein the surface-treated layer is formed of an upper portion on the outermost side, and a lower portion beneath the upper portion, the upper portion has a density of the isocyanate component which is greater on the inner side than on the surface side within the upper portion, and the lower portion has a density of the isocyanate component that gradually decreases inwardly.

    摘要翻译： 本发明的导电性橡胶构件具有赋予导电性的导电性弹性层，其作为最外层，通过将导电性弹性层的表面浸渍在表面处理层中而形成的表面处理层，所述表面处理液含有 至少一种异氰酸酯组分和一种有机溶剂，其中表面处理层由最外侧的上部和上部下方的下部形成，上部的异氰酸酯组分的密度在 内侧比上部的表面侧，下部具有向内逐渐减小的异氰酸酯成分的密度。

    Foamed rubber member
    10.
    发明授权
    Foamed rubber member 有权
    发泡橡胶件

    公开(公告)号：US07973093B2

    公开(公告)日：2011-07-05

    申请号：US12537273

    申请日：2009-08-07

    申请人： Gouki Sasagawa ,  Naoki Hirakawa

    发明人： Gouki Sasagawa ,  Naoki Hirakawa

    IPC分类号： C08J9/30 ,  B32B25/14

    CPC分类号： C08J9/405 ,  C08J2321/00 ,  C08J2427/00 ,  C08J2475/00 ,  C08J2483/00 ,  Y10T428/1386

    摘要： An object of the present invention is to provide a foamed rubber member which has low hardness and excellent durability. The foamed rubber member of the invention, produced through an impregnation treatment of a foamed elastic body with a treatment liquid containing an isocyanate compound and an organic solvent, the foamed elastic body being produced by foaming a base rubber, exhibits a compression set smaller than that of the foamed elastic body before undergoing the impregnation treatment, and exhibits a percent increase in stress, with respect to the stress of the foamed elastic body before undergoing the impregnation treatment, of 50% or less.

    摘要翻译： 本发明的目的是提供一种具有低硬度和优异的耐久性的发泡橡胶构件。 通过用含有异氰酸酯化合物和有机溶剂的处理液对发泡弹性体进行浸渍处理制造的本发明的发泡橡胶构件通过使基础橡胶发泡而制造的发泡弹性体呈现小于 的发泡弹性体在进行浸渍处理之前，相对于浸渍处理前的发泡弹性体的应力呈现出应力增加百分率的50％以下。