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1. 发明申请

US20050143499A1 Moderately resistive rubber composition and rubber member 审中-公开
标题翻译：中等电阻橡胶组合物和橡胶构件
公开(公告)号：US20050143499A1
公开(公告)日：2005-06-30
申请号：US10734021
申请日：2003-12-10
申请人： Hidetoshi Aoki , Naoki Hirakawa , Kazumi Kanai , Mayumi Nakao , Masayoshi Watanabe
发明人： Hidetoshi Aoki , Naoki Hirakawa , Kazumi Kanai , Mayumi Nakao , Masayoshi Watanabe
IPC分类号： C08F210/00 , C08K5/00 , C08K5/43 , C08L1/00 , C08L9/02 , C08L71/02 , C08L75/04
CPC分类号： C08K5/0025 , C08F210/00 , C08K5/43 , C08K2201/001 , C08L9/02 , C08L71/02 , C08L75/04
摘要： A moderately resistive rubber composition including an unvulcanized rubber base and at least one ionic liquid contained in the rubber base. In the composition, the ionic liquid serves as an electrically conductive material. Also disclosed is a moderately resistive rubber member formed of a rubber-like elastic material prepared through vulcanization of the moderately resistive rubber composition.
摘要翻译：一种中等阻力的橡胶组合物，其包含未硫化橡胶基质和橡胶基质中所含的至少一种离子液体。在组合物中，离子液体用作导电材料。还公开了由通过硫化中等电阻的橡胶组合物制备的橡胶状弹性材料形成的中等电阻的橡胶构件。

2. 发明授权

US08163389B2 Conductive roll and method for producing same 有权
标题翻译：导电辊及其制造方法
公开(公告)号：US08163389B2
公开(公告)日：2012-04-24
申请号：US11100957
申请日：2005-04-06
申请人： Naoki Hirakawa , Koichi Shizuru , Makoto Iwamura
发明人： Naoki Hirakawa , Koichi Shizuru , Makoto Iwamura
IPC分类号： B23B27/08 , B32B27/40 , B01J27/135 , B01J27/02 , G03G15/00
CPC分类号： B32B25/14 , B32B27/20 , B32B27/40 , B32B2307/202 , B32B2457/00 , C08G18/246 , C08G18/4825 , C08K3/04 , C08L75/04 , Y10T428/31551
摘要： A conductive roll having at least one conductive elastic layer on the outer periphery of a core bar, the conductive elastic layer being granted conductivity by carbon black, is provided. The conductive elastic layer is prepared by reacting at least a polyol consisting essentially of a polyether-based polyol with a diisocyanate with the use of a tetravalent organotin-based compound having a tin content of 18.7% or less by weight as a catalyst. A method for producing the conductive roll is also provided.
摘要翻译：提供一种在芯棒的外周上具有至少一个导电弹性层的导电辊，该导电性弹性层由炭黑赋予导电性。导电性弹性层是通过使至少一种基本上由聚醚类多元醇组成的多元醇与二异氰酸酯反应，使用锡含量为18.7重量％以下的四价有机锡类化合物作为催化剂而制备的。还提供了制造导电辊的方法。

3. 发明申请

US20070110936A1 Conductive rubber member 有权
标题翻译：导电橡胶构件
公开(公告)号：US20070110936A1
公开(公告)日：2007-05-17
申请号：US11599407
申请日：2006-11-15
申请人： Naoki Hirakawa , Junya Hoshi
发明人： Naoki Hirakawa , Junya Hoshi
IPC分类号： B32B25/14 , B32B25/16
CPC分类号： B32B1/08 , B32B15/046 , B32B15/06 , B32B25/02 , B32B25/045 , B32B25/14 , B32B2255/10 , B32B2255/26 , B32B2264/104 , B32B2264/108 , B32B2266/0207 , B32B2307/202 , B32B2307/51 , B32B2559/00 , G03G15/0233 , Y10T428/1386 , Y10T428/31511 , Y10T428/3154 , Y10T428/31663 , Y10T428/31931
摘要： A conductive rubber member having at least one conductive elastic layer, wherein the conductive elastic layer, which is at least an outermost layer, in contact with an opposing member during use is a curing product of a rubber composition having a conductivity imparting agent incorporated into a rubber base material containing acrylonitrile-butadiene rubber (NBR); and a superficial portion of the conductive elastic layer is a surface treatment layer formed by impregnating the conductive elastic layer with a surface treating solution containing at least an isocyanate component and an organic solvent.
摘要翻译：具有至少一个导电弹性层的导电橡胶构件，其中至少最外层的导电弹性层在使用期间与相对构件接触是具有导电性赋予剂的橡胶组合物的固化产物，含有丙烯腈 - 丁二烯橡胶（NBR）的橡胶基材; 并且导电弹性层的表面部分是通过用至少含有异氰酸酯组分和有机溶剂的表面处理溶液浸渍导电性弹性层而形成的表面处理层。

4. 发明申请

US20100282372A1 HIGH-STRENGTH STAINLESS STEEL MATERIAL AND PRODUCTION PROCESS OF THE SAME 有权
标题翻译：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。

5. 发明授权

US07638196B2 Conductive rubber member 有权
标题翻译：导电橡胶构件
公开(公告)号：US07638196B2
公开(公告)日：2009-12-29
申请号：US11599407
申请日：2006-11-15
申请人： Naoki Hirakawa , Junya Hoshi
发明人： Naoki Hirakawa , Junya Hoshi
IPC分类号： B32B25/16 , B32B27/24
CPC分类号： B32B1/08 , B32B15/046 , B32B15/06 , B32B25/02 , B32B25/045 , B32B25/14 , B32B2255/10 , B32B2255/26 , B32B2264/104 , B32B2264/108 , B32B2266/0207 , B32B2307/202 , B32B2307/51 , B32B2559/00 , G03G15/0233 , Y10T428/1386 , Y10T428/31511 , Y10T428/3154 , Y10T428/31663 , Y10T428/31931
摘要： A conductive rubber member having at least one conductive elastic layer, wherein the conductive elastic layer, which is at least an outermost layer, in contact with an opposing member during use is a curing product of a rubber composition having a conductivity imparting agent incorporated into a rubber base material containing acrylonitrile-butadiene rubber (NBR); and a superficial portion of the conductive elastic layer is a surface treatment layer formed by impregnating the conductive elastic layer with a surface treating solution containing at least an isocyanate component and an organic solvent.
摘要翻译：具有至少一个导电弹性层的导电橡胶构件，其中至少最外层的导电弹性层在使用期间与相对构件接触是具有导电性赋予剂的橡胶组合物的固化产物，含有丙烯腈 - 丁二烯橡胶（NBR）的橡胶基材; 并且导电弹性层的表面部分是通过用至少含有异氰酸酯组分和有机溶剂的表面处理溶液浸渍导电性弹性层而形成的表面处理层。

6. 发明授权

US08273191B2 High-strength stainless steel material and production process of the same 有权
标题翻译：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。

7. 发明授权

US08066626B2 Conductive rubber member 有权
标题翻译：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。

8. 发明授权

US07973093B2 Foamed rubber member 有权
标题翻译：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。

9. 发明申请

US20100222193A1 CONDUCTIVE RUBBER MEMBER 有权
标题翻译：导电橡胶会员
公开(公告)号：US20100222193A1
公开(公告)日：2010-09-02
申请号：US12675846
申请日：2008-09-01
申请人： Shinji Motokawa , Naoki Hirakawa
发明人： Shinji Motokawa , Naoki Hirakawa
IPC分类号： B05C1/08 , G03G15/02
CPC分类号： G03G15/2057 , G03G15/0818
摘要： To provide a conductive rubber member which exhibits small variation in electrical resistance and a stable electrical resistance for a long period of time. The conductive rubber member include a conductive elastic layer formed of a rubber material which has been imparted with electrical conductivity, wherein the conductive elastic layer has a surface-treatment layer which has been produced through impregnating a surface portion of the conductive elastic layer with a surface-treating liquid containing an isocyanate compound and carbon black which has undergone dispersion treatment.
摘要翻译：提供长时间显示小的电阻变化和稳定的电阻的导电橡胶构件。导电性橡胶构件包括由赋予导电性的橡胶材料形成的导电性弹性层，其中，导电性弹性层具有表面处理层，该表面处理层通过以表面浸渍导电性弹性层的表面部分将含有异氰酸酯化合物的液体和经过分散处理的炭黑。

10. 发明授权

US07744515B2 Conductive roller and inspection method therefor 有权
标题翻译：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。

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