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公开(公告)号：JPS59186643A
公开(公告)日：1984-10-23
申请号：JP3833683
申请日：1983-03-10
Applicant: Bridgestone Corp
Inventor： WATABE HIROJI , YAMADA TSUTOMU , IRAKO KOUICHI , MURAKAMI YUUICHI
Abstract: PURPOSE: To facilitate deposition of compds. of Cu, Mo, V, etc. on a carrier consisting of ceramic or metal by the use of spray coating method of the molten compds.
CONSTITUTION: Molten metallic copper, copper-contg. alloy, Cu compd., metallic Mo, V compds., or oxides of Li, Na, K, Rb, etc. are coated by spraying on a carrier, then, components of molten titania, γ-alumina, silica-alumina, barium titanate, etc. are coated by spraying. Useful carrier is alumina, silica-alumina, titania, zirconia or other ceramics.
COPYRIGHT: (C)1984,JPO&JapioAbstract translation: 目的：促进compds的沉积。 的Cu，Mo，V等在由陶瓷或金属构成的载体上通过使用熔融化合物的喷涂方法。 规定：熔融金属铜，铜 - 铜。 合金，Cu化合物，金属Mo，V化合物或Li，Na，K，Rb等的氧化物通过喷涂在载体上进行涂覆，然后将熔融二氧化钛，γ-氧化铝，二氧化硅 - 氧化铝，钡 钛酸盐等涂布。 有用的载体是氧化铝，二氧化硅 - 氧化铝，二氧化钛，氧化锆或其他陶瓷。
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公开(公告)号：JP2010054226A
公开(公告)日：2010-03-11
申请号：JP2008216764
申请日：2008-08-26
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： YAMADA TSUTOMU
IPC: G01N1/28
Abstract: PROBLEM TO BE SOLVED: To provide a device for forming a notch in a rubber specimen that always, certainly improves the notch forming accuracy in the rubber specimen and greatly raises the reliability of a measurement result of physical properties such as adhesive strength.
SOLUTION: A sample stand 4 for mounting a strip rubber specimen at a flat attitude is disposed. A pair of cutter stands 5 and 6 for holding cutters 7 and 8 for forming a notch in respective side sections of the rubber specimen at predetermined positions of the thickness direction of the rubber specimen are arranged in the side sections of the sample stand 4. The sample stand 4 and the pair of cutter stands 5 and 6 are relatively displaceable in the length direction of the rubber specimen.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题：为了提供一种在橡胶试样中形成切口的装置，其总是确实提高橡胶试样中的切口形成精度，并且大大提高了诸如粘合强度的物理性能的测量结果的可靠性。
解决方案：设置用于以平坦姿态安装条状橡胶试样的样品台4。 在样品台4的侧部设置有用于保持用于在橡胶试样的厚度方向的预定位置处在橡胶试样的各个侧部形成切口的切割器7和8的一对刀架5和6。 样品台4和一对刀架5和6在橡胶试样的长度方向上相对位移。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2008195792A
公开(公告)日：2008-08-28
申请号：JP2007030956
申请日：2007-02-09
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： YAMADA TSUTOMU , KITANO SO , AKAMA HIDEHIRO
IPC: C08F290/04
Abstract: PROBLEM TO BE SOLVED: To provide a resin composition of an active energy ray-curable type, having rapid curing rate, sufficient strength and flexibility.
SOLUTION: The photocurable liquid resin composition is obtained by compounding a hydrogenated liquid styrene-butadiene copolymer having photocurable unsaturated hydrocarbon group-containing functional groups at both terminals of the molecular chain, a (meth)acryloyl group-containing monomer and a photopolymerization initiator.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：提供具有快速固化速度，足够的强度和柔韧性的活性能量射线固化型树脂组合物。 解决方案：可光固化液体树脂组合物通过在分子链的两个末端，含（甲基）丙烯酰基的单体和光聚合的两端配合具有含有光固化不饱和烃基的官能团的氢化液体苯乙烯 - 丁二烯共聚物 引发剂。 版权所有（C）2008，JPO＆INPIT
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公开(公告)号：JP2008195789A
公开(公告)日：2008-08-28
申请号：JP2007030953
申请日：2007-02-09
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： KITANO SO , YAMADA TSUTOMU , AKAMA HIDEHIRO
IPC: C08F290/04 , C08F8/30 , C08F236/10
CPC classification number: C08F290/06 , C08C19/44 , C08F283/00 , C08F290/04 , C08F290/061 , C08L15/00 , C08L19/006
Abstract: PROBLEM TO BE SOLVED: To provide a photocurable liquid rubber composition which can be converted into a solvent-free state, can easily adjust a viscosity, and has a high breaking strength after cured.
SOLUTION: This photocurable liquid rubber composition comprises a liquid styrene-butadiene copolymer having photocurable unsaturated hydrocarbon group-containing functional groups at both the terminals of the molecule chain, a (meth)acryloyl group-containing monomer, and a photopolymerization initiator.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：为了提供可以转化为无溶剂状态的光固化性液体橡胶组合物，可以容易地调节粘度，并且在固化后具有高的断裂强度。 解决方案：该可光固化液体橡胶组合物包含在分子链的两个末端，含（甲基）丙烯酰基的单体和光聚合引发剂两端具有含光固化不饱和烃基的官能团的液体苯乙烯 - 丁二烯共聚物。 版权所有（C）2008，JPO＆INPIT
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公开(公告)号：JP2007131665A
公开(公告)日：2007-05-31
申请号：JP2005323441
申请日：2005-11-08
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： YAMADA TSUTOMU
CPC classification number: C08K5/14 , C08L9/00 , C08L2205/02 , C08L2207/32 , C08L19/006 , C08L13/00 , C08L21/00 , C08L2666/08
Abstract: PROBLEM TO BE SOLVED: To provide a crosslinked rubber having low hardness and low compression set achieved in high degree at the same time.
SOLUTION: The crosslinked rubber is produced by compounding a liquid rubber with ingredients, kneading the mixture, forming the obtained rubber composition to a desired form and curing the product by crosslinking, wherein the compression set (S) of the crosslinked rubber is 0.2-25% in conformity to JIS K6262, the Asker C hardness (H) is 10-83° in conformity to JIS K6253, and the compression set S and the Asker C hardness H satisfy the relationship (1): S≥28.8-0.34H.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：提供同时高度实现的低硬度和低压缩永久变形的交联橡胶。 解决方案：交联橡胶通过将液体橡胶与成分混合，捏合混合物，将所得橡胶组合物形成所需形状并通过交联固化产物，其中交联橡胶的压缩变定（S）为 根据JIS K6262为0.2-25％，Asker C硬度（H）为符合JIS K6253的10-83°，压缩变形S和Asker C硬度H满足关系式（1）：S≥28.8- 0.34H。 版权所有（C）2007，JPO＆INPIT
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Patent Agency Ranking
公开(公告)号：JP2007112025A
公开(公告)日：2007-05-10
申请号：JP2005306473
申请日：2005-10-21
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： NISHIMURO YOICHI , YAMADA TSUTOMU , AKAMA HIDEHIRO
Abstract: PROBLEM TO BE SOLVED: To provide a molded product forming method not lowering productivity even if a liquid material is used.
SOLUTION: In the molded product forming method, an ultraviolet curable composition is used as a material and the composition charged in a cavity 16 is irradiated with ultraviolet rays through a transparent body 17 which constitutes at least a part of the surface of the cavity 16 and cured.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：提供即使使用液体材料也不降低生产率的成型产品形成方法。 解决方案：在成型产品形成方法中，使用紫外线固化性组合物作为材料，并且通过透明体17将填充在空腔16中的组合物用紫外线照射，透明体17构成至少部分表面的 腔16并固化。 版权所有（C）2007，JPO＆INPIT
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公开(公告)号：JP2006297842A
公开(公告)日：2006-11-02
申请号：JP2005125873
申请日：2005-04-25
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： HIROTA KAZUNORI , SAKAMI TAKAHIRO , YAMADA TSUTOMU
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method of a rubber roller capable of giving a rubber roller having an excellent surface causing no unqualified image by reducing air finally remaining in the rubber filled in a mold to prevent generation of a void.
SOLUTION: The manufacturing method of the rubber roller comprises a rubber kneading process of kneading a rubber with a kneader, a plasticizing process of plasticizing the kneaded rubber in a forming machine, and a filling process of filling the plasticized rubber in the mold with the molding machine. Degassing is conducted in two processes including the rubber kneading process and the filling process or preferably in all the processes including the plasticizing process.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：为了提供一种橡胶辊的制造方法，其能够通过减少最后残留在填充在模具中的橡胶中的空气来产生具有优异表面的橡胶辊而不产生不合格的图像，以防止产生空隙。 解决方案：橡胶辊的制造方法包括将橡胶与捏合机捏合的橡胶捏合工艺，在成型机中对捏合橡胶进行塑化的增塑方法以及将塑化橡胶填充到模具中的填充过程 与成型机。 脱气在包括橡胶捏合工序和填充工序的两个工序中进行，或优选在包括塑化工序的所有工序中进行。 版权所有（C）2007，JPO＆INPIT
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公开(公告)号：JP2004046052A
公开(公告)日：2004-02-12
申请号：JP2002262604
申请日：2002-09-09
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： YAMADA TSUTOMU , OSAKI TOSHIYUKI
IPC: G03G15/00 , B65H3/06 , B65H5/06 , C08J9/10 , F16C13/00 , G03G15/02 , G03G15/08 , G03G15/16 , G03G21/10
Abstract: PROBLEM TO BE SOLVED: To provide a high-performance electrically conductive roll having a conductive foamed rubber layer, fine in foaming cell, thin in cell wall and low in hardness. SOLUTION: The electrically conductive roll has the electrically conductive foamed rubber layer made of foamed rubber contains components A to H where 4 to 12 w/t parts of the component B is compounded for 100 w/t parts of the component A and 0.5 to 5 w/t parts of the component nC is compounded for 10 w/t parts of the component B. Components A, B, C, D, E, F, G and H are an ethylene propylene diene rubber, an azodicarbonamide foaming agent, an urea foaming auxiliary, a thiazole vulcanization accelerator, a dithiocarbamate vulcanization accelerator, a thiourea vulcanization accelerator, sulfer, and carbon black respectively. COPYRIGHT: (C)2004,JPO
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公开(公告)号：JP2002278425A
公开(公告)日：2002-09-27
申请号：JP2001130173
申请日：2001-04-26
Applicant: BRIDGESTONE CORP
Inventor： YAMADA TSUTOMU , OSAKI TOSHIYUKI
Abstract: PROBLEM TO BE SOLVED: To provide toner sealing materials which are capable of completely preventing the leakage of magnetic toners and a process cartridge which obviate the leakage of the toners and can be easily recycled as the process cartridge for a copying machine using the toners described above. SOLUTION: The toner sealing materials 1 to 5 composed of magnetic rubber foams formed by expanding high-polymer materials containing magnetic powder are interposed in a compressed state in the each other's mating sections of frames (14a and 14b) of the process cartridge 10 used for an electrophotographic device using the magnetic toners and the mating sections of the frame (14a) and a developing roller 16 or a developing blade 18, by which the leakage of the magnetic toners 10T is prevented.
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公开(公告)号：JP2002115714A
公开(公告)日：2002-04-19
申请号：JP2000308915
申请日：2000-10-10
Applicant: BRIDGESTONE CORP
Inventor： OSAKI TOSHIYUKI , YAMADA TSUTOMU
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a conductive foam body roller having homogeneous characteristics such as electric resistance, hardness, and foam shape and suited as a member for an image formation device, by a die foaming method. SOLUTION: In this manufacturing method for the conductive foam body roller having a process of setting a tubular preforming body, which is composed of a conductive rubber and formed by inserting a shaft therein, in a mold, pressure-vulcanizing, die drawing, and foaming, the preforming body having a belt film stuck in a place corresponding to the position of a mating face with the mold in the preforming body along its longitudinal direction is set in the mold and is pressure-vulcanized.
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