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1. 发明专利

JP2013231845A Conductive roller, transfer roller and manufacturing method of the conductive roller 有权
标题翻译：导向滚子，传动滚子和导向滚子的制造方法
公开(公告)号：JP2013231845A
公开(公告)日：2013-11-14
申请号：JP2012103666
申请日：2012-04-27
申请人： Sumitomo Rubber Ind Ltd , 住友ゴム工業株式会社
发明人： TAJIMA HIROSHI
IPC分类号： G03G15/16 , C08J3/22 , C08L9/02 , C08L23/16 , C08L71/02 , F16C13/00 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide a conductive roller with smaller variation of roller resistance by a batch even if an ion salt is used to form a master batch in order to prevent moisture absorption or deliquescence of the ion salt, as slippage is unlikely to occur when mixed to the other components at subsequent steps and cut smaller to prepare a conductive rubber composition or kneaded using a kneader, and to provide a transfer roller using the same, and a manufacturing method of the conductive roller.SOLUTION: A conductive roller 1 and a transfer roller includes a roller main body 2 composed of a crosslinked product of a conductive rubber composition prepared using an ion salt formed into a master batch using a non-halogen ion conductive rubber including ethylene oxide, and two kinds of NBR rubbers in which a compounding ratio of NBR in total amount of the two kinds of rubbers is 50 mass % or lower. The manufacturing method includes a step of preparing the master batch and the conductive rubber composition.
摘要翻译：要解决的问题：即使使用离子盐形成母料以防止离子盐的吸湿或潮解，也可以通过批量提供具有较小的辊电阻变化的导电辊，因为不可能发生滑动在后续步骤中与其它组分混合并切割较小以制备导电橡胶组合物或使用捏合机捏合，并提供使用其的转印辊以及导电辊的制造方法。导电辊1和转印辊包括辊主体2，其由使用包含环氧乙烷的非卤素离子导电橡胶形成为母料的离子盐制备的导电橡胶组合物的交联产物和两种NBR橡胶组成，其中，两种橡胶的总量中NBR的配合比为50质量％以下。制造方法包括制备母料和导电橡胶组合物的步骤。

2. 发明专利

JP2013129747A Conductive rubber composition and developing roller using the same 有权
标题翻译：导电橡胶组合物和使用它的开发滚子
公开(公告)号：JP2013129747A
公开(公告)日：2013-07-04
申请号：JP2011279896
申请日：2011-12-21
申请人： Sumitomo Rubber Ind Ltd , 住友ゴム工業株式会社
发明人： MARUI TAKASHI , MIZUMOTO YOSHIHISA , TAJIMA HIROSHI
IPC分类号： C08L9/06 , C08K3/06 , C08K5/47 , C08L11/00 , C08L63/08 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a conductive rubber composition which allows a roller body to be formed, the roller body having a small compression set, a lower hardness than that of an existing roller body and having excellent flexibility, and to provide a developing roller including the roller body obtained by using the conductive rubber composition.SOLUTION: The conductive rubber composition contains, as rubber components, three kinds of rubbers of a styrene-butadiene rubber, an epichlorohydrin rubber and a chloroprene rubber, wherein the ratio of the styrene-butadiene rubber occupied in 100 pts.mass of the total rubber components is ≥10 pts.mass and ≤40 pts.mass. The conductive rubber composition further contains, as a cross-linking agent, a thiazole based cross-linking agent in an amount of ≥0.3 pts.mass and ≤0.7 pts.mass per 100 pts.mass total quantity of the rubber components. The developing roller 1 includes the roller body 2 comprising the conductive rubber composition.
摘要翻译：要解决的问题：为了提供允许形成辊体的导电性橡胶组合物，辊体具有小的压缩永久变形，比现有的辊体的硬度低，并且具有优异的柔性，并且提供显影辊包括通过使用导电橡胶组合物获得的辊体。溶胶：导电橡胶组合物含有苯乙烯 - 丁二烯橡胶，表氯醇橡胶和氯丁橡胶的三种橡胶作为橡胶组分，其中苯乙烯 - 丁二烯橡胶在100盎司占总橡胶成分的≥10盎司和≤40盎司。导电性橡胶组合物还含有作为交联剂的噻唑系交联剂，其量为≥0.3重量份，≤0.7重量份/ 100重量份橡胶组分。显影辊1包括包含导电橡胶组合物的辊体2。

3. 发明专利

JP2013097118A Semiconductive roller 有权
标题翻译：半导体滚筒
公开(公告)号：JP2013097118A
公开(公告)日：2013-05-20
申请号：JP2011238802
申请日：2011-10-31
申请人： Sumitomo Rubber Ind Ltd , 住友ゴム工業株式会社
发明人： TAJIMA HIROSHI , OKUDA KIYOTAKA
IPC分类号： G03G15/02 , F16C13/00
摘要： PROBLEM TO BE SOLVED: To provide a semiconductive roller that has a roller resistance value of below 10Ω, and can be used, for example, as a charging roller to configure an image forming apparatus with a print speed higher than before.SOLUTION: A semiconductive roller 1 is made of a cross-linking substance of a semiconductive composition containing a base polymer that is a mixture of epichlorohydrin rubber E and diene-based rubber N at a mass ratio of E/N=50/50 to 80/20, a salt of an anion including a fluoro group and a sulfonyl group in a molecule and a cation, a quaternary ammonium salt of a perchloric acid, and a cross-linking component. The semiconductive roller 1 includes a roller body 2 that has an oxide film 6 formed thereon by ultraviolet irradiation and is provided on an outer peripheral surface 5.
摘要翻译：要解决的问题：提供一种具有低于10 5 Ω的辊电阻值的半导电辊，并且可以用作例如充电辊配置具有比以前更高的打印速度的图像形成装置。解决方案：半导电辊1由含有表面氯醇橡胶E和二烯类橡胶N的混合物的基础聚合物的质子比为E / N = 50/10的半导体组合物的交联物质制成， 50至80/20，分子中含有氟基和磺酰基的阴离子盐，阳离子，高氯酸季铵盐和交联成分。半导电辊1包括具有通过紫外线照射形成在其上的氧化膜6并设置在外周面5上的辊体2.（C）2013，JPO＆INPIT

4. 发明专利

JP2012123190A Semiconductive roller 审中-公开
标题翻译：半导体滚筒
公开(公告)号：JP2012123190A
公开(公告)日：2012-06-28
申请号：JP2010273839
申请日：2010-12-08
申请人： Sumitomo Rubber Ind Ltd , 住友ゴム工業株式会社
发明人： MARUI TAKASHI , MIZUMOTO YOSHIHISA , TAJIMA HIROSHI
IPC分类号： G03G15/02 , G03G15/00 , G03G15/08 , G03G21/10
摘要： PROBLEM TO BE SOLVED: To provide a semiconductive roller 1 that can delay scorch time of semiconductive rubber composition used as a manufacturing material of roller body while maintaining a characteristic of small compression set in a state of giving flexibility by applying low hardening to the roller body, that hardly causes scorch, and clogging rubber or destabilization of diameter associated with the occurrence of scorch at the time of extrusion molding, in a manufacturing process, and that is suitable for mass production.SOLUTION: A roller body 2 is formed using semiconductive rubber that contains copolymer rubber including ethylene oxide as a copolymerized ingredient and also contains 100 pts.mass of rubber content which includes chloroprene rubber and to which 0.5-1.5 pts.mass of thiourea-based vulcanization accelerator, 0.5-1.5 pts.mass of guanidine-based vulcanization accelerator, 0.5-2.0 pts.mass of sulfenamide-based vulcanization accelerator and 2.0 pts.mass or less of peroxide-based cross-linker are added.
摘要翻译：要解决的问题：提供一种半导电辊1，其可以延迟用作辊体制造材料的半导体橡胶组合物的焦烧时间，同时通过施加低硬化至赋予柔性的状态，同时保持小压缩永久变形的特性该辊体在制造过程中几乎不引起焦烧，堵塞橡胶或与挤出成型时发生焦烧有关的直径的不稳定性，并且适于批量生产。解决方案：使用包含共聚物橡胶（包括环氧乙烷作为共聚成分）的半导体橡胶形成辊体2，并且还包含100重量份的橡胶含量，包括氯丁橡胶，其中0.5-1.5重量份的硫脲的硫化促进剂，0.5-1.5质量份的胍类硫化促进剂，0.5-2.0质量份的次磺酰胺类硫化促进剂和2.0质量ppm以下的过氧化物类交联剂。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2012088379A Method for manufacturing semiconductive roller 有权
标题翻译：制造半导体滚筒的方法
公开(公告)号：JP2012088379A
公开(公告)日：2012-05-10
申请号：JP2010232662
申请日：2010-10-15
申请人： Sumitomo Rubber Ind Ltd , 住友ゴム工業株式会社
发明人： MARUI TAKASHI , MIZUMOTO YOSHIHISA , TAJIMA HIROSHI
IPC分类号： G03G15/00 , G03G15/02 , G03G15/08 , G03G21/10
摘要： PROBLEM TO BE SOLVED: To provide a method for highly productively manufacturing a semiconductive roller without any deflection when polishing a roller main body, wherein the semiconductor roller includes the roller main body having Shore A hardness of 60 or less, a compression set of 10% or less and the surface roughness Rz of the outer peripheral surface of not less than 3.0 μm but not more than 10.0 μm.SOLUTION: A roller body 2 is formed by using a semiconductive rubber composition including a base polymer and not less than 6.6 pts.mass but not more than 30 pts.mass of carbon black with respect to 100 pts.mass of the base polymer, and the carbon black has an average primary particle diameter of not less than 80 nm but not more than 200 nm. The outer peripheral surface 5 of the roller body 2 is polished by a dry type plunge grinding using a grinding wheel 7 that ranges over the entire width of the outer peripheral surface 5.
摘要翻译：要解决的问题：提供一种在研磨辊主体时无偏转地高效地制造半导体辊的方法，其中半导体辊包括肖氏A硬度为60以下的辊主体，压缩永久变形为10％以下，外周面的表面粗糙度Rz为3.0μm以上且10.0μm以下。解决方案：通过使用包含基础聚合物的半导体橡胶组合物形成辊体2，并且相对于100个基底的基底不小于6.6个点，但不超过30个碳黑聚合物，碳黑的平均一次粒径为80nm以上且200nm以下。通过使用在外周面5的整个宽度范围内的砂轮7的干式切入研磨来对辊主体2的外周面5进行抛光。（C）2012，JPO＆INPIT

6. 发明专利

JP2009109910A Surface-treating liquid for conductive elastic layer, method of surface treatment of the same, and surface-treated conductive member 有权
标题翻译：用于导电弹性层的表面处理液，其表面处理方法和表面处理的导电构件
公开(公告)号：JP2009109910A
公开(公告)日：2009-05-21
申请号：JP2007284258
申请日：2007-10-31
申请人： Sumitomo Rubber Ind Ltd , 住友ゴム工業株式会社
发明人： TAJIMA HIROSHI , OKUYAMA HIDEYUKI
IPC分类号： G03G15/00 , B05D7/02 , B32B25/08 , B32B27/40 , C08J7/04 , C09D5/24 , C09D7/12 , C09D175/04 , F16C13/00
摘要： PROBLEM TO BE SOLVED: To maintain conductivity, in an appropriate range, of a conductive member such as a conductive roller used in a conductive mechanism of an electrophotographic apparatus, to reduce the voltage dependency of electrical resistance as well as resistance unevenness while effectively preventing deterioration in durability, and to obtain preferable print picture quality for a long period of time. SOLUTION: This conductive member includes: a conductive elastic layer formed of one or more elastic materials selected from a group consisting of rubbers, resins and thermoplastic elastomers; and a coating layer formed by applying a surface-treating liquid on the outer surface of the conductive elastic layer and then thermally curing the coating, the surface-treating liquid comprising a medium containing, dispersed and/or dissolved therein, a polyisocyanate compound and carbon nanotubes dispersed in the medium. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了保持在电子照相设备的导电机构中使用的诸如导电辊之类的导电构件的导电性，以降低电阻的电压依赖性以及电阻不均匀性，同时有效地防止耐久性的劣化，并且长时间获得优选的打印图像质量。解决方案：该导电构件包括：由选自由橡胶，树脂和热塑性弹性体组成的组中的一种或多种弹性材料形成的导电弹性层; 以及通过在导电弹性层的外表面上施加表面处理液体然后热固化涂层而形成的涂层，所述表面处理液体包含含有，分散和/或溶解其中的多异氰酸酯化合物和碳分散在培养基中的纳米管。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2004262212A Printing blanket 审中-公开
公开(公告)号：JP2004262212A
公开(公告)日：2004-09-24
申请号：JP2003057581
申请日：2003-03-04
申请人： Sumitomo Rubber Ind Ltd , 住友ゴム工業株式会社
发明人： TOMONO SEIJI , OKUBO HIROMASA , TAJIMA HIROSHI
IPC分类号： B41N10/06
摘要： PROBLEM TO BE SOLVED: To provide an offset printing blanket wherein though high skill is not required when the blanket is wound around a cylinder barrel of a printer, it can be fixed so as to have a uniform thickness over the whole of the barrel and a good printing performance is held.
SOLUTION: A sheet-like printing blanket is provided by laminating in a sheet state a surface printing layer 11 on a substrate layer 12 having lower layer bases 13a, 13b, 13c, a compressive layer 14 and an upper layer base 13d, and wound on a cylinder barrel part to be used by fixing its both ends by inserting into a cylinder barrel gap. The lower layer base at a position corresponding to an edge part of the cylinder barrel gap is cut in a groove state (V-state or trapezoidal state and the like) 15.
COPYRIGHT: (C)2004,JPO&NCIPI

8. 发明专利

JP2002282141A CHOPPING BOARD 失效
公开(公告)号：JP2002282141A
公开(公告)日：2002-10-02
申请号：JP2001087468
申请日：2001-03-26
申请人： SUMITOMO RUBBER IND
发明人： KOZONO YASUSHI , IWASAKI KAZUTOSHI , NOIRI HIROSHI , TAJIMA HIROSHI
IPC分类号： A47J47/00 , B29C43/02 , B29C43/18
摘要： PROBLEM TO BE SOLVED: To provide a chopping board supressing the slip. SOLUTION: A nonslip material consisting of a thermoplastic elastomer is bonded by pressure heating and molding to a portion or the entire part on the rear surface side of a chopping board body consisting of a super high- molecular-weight polyethylene having a weight average molecular weight of >=500,000. A styrenic thermoplastic elastomer is used as the thermoplastic elastomer and the friction coefficient between the nonslip material and the flat board made of the styrenic elastomer is specified to >=0.3.

9. 发明专利

JP2002192544A MANUFACTURING METHOD FOR RESIN MOLDINGS, AND RESIN MOLDINGS 失效
公开(公告)号：JP2002192544A
公开(公告)日：2002-07-10
申请号：JP2000392848
申请日：2000-12-25
申请人： SUMITOMO RUBBER IND
发明人： KOZONO YASUSHI , TAJIMA HIROSHI , NOIRI HIROSHI
IPC分类号： B32B25/08 , B29C43/20
摘要： PROBLEM TO BE SOLVED: To provide resin moldings obtained by joining a thermoplastic elastomer layer to an ultra-high-molecular-weight polyethylene resin layer. SOLUTION: A material layer of a thermoplastic elastomer (excepting a sheet-like ethylene thermoplastic elastomer) and an ultra-high-molecular-weight polyethylene material layer with a weight average molecular weight of 500,000 or more are superposed over each other, then molded by a hot press and joined together.

10. 发明专利

JP2001172939A FENDER 失效
公开(公告)号：JP2001172939A
公开(公告)日：2001-06-26
申请号：JP36135899
申请日：1999-12-20
申请人： SUMITOMO RUBBER IND
发明人： TAJIMA HIROSHI , KOZONO YASUSHI , KAMIKORO AKIRA
IPC分类号： E02B3/26
摘要： PROBLEM TO BE SOLVED: To provide a novel fender capable of bringing a strain-reaction characteristic curve within an allowable distortion rate to an ideal shape as much as possible. SOLUTION: A step 14 projectings the outer peripheral face of a second support part 12 one step outward from the outer peripheral face of a first supporting part 11 is provided at the outer peripheral face of the boundary between the cylindrical first support part 11 and a hollow conical second support part 12.

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