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公开(公告)号：JP2008238105A
公开(公告)日：2008-10-09
申请号：JP2007084998
申请日：2007-03-28
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： ITO MICHIO
IPC: B02C19/06
Abstract: PROBLEM TO BE SOLVED: To provide a crusher capable of manufacturing a powder of high purity and quality, and reducing an operation cost for the crusher by using rotor parts excellent in metal stain resistance and also in durability.
SOLUTION: The crusher is provided with a crushing container 20, a raw material introducing passage 14 connected to the crushing container 20 and introducing granular raw materials, a rotor 12 classifying powders crushed by stirring the particle raw materials in the crushing container 20, and a raw material discharging passage 16 discharging the crushed powders to the bottom part of the rotor 12. The rotor 12 is provided with a protecting member, the surface of which is covered with a silicon carbide, or made of the silicon carbide. The rotor 12 and the raw material discharging passage 16 are connected through a sealing member, the surface of which is covered with the silicon carbide, or made of the silicon carbide. Then, the protecting member is preferably the upper surface liner 11a and the lower surface liner 11b located on the upper surface and the lower surface of the rotor 12, and the sealing member is preferably a seal ring 13.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：提供能够制造高纯度和高质量的粉末的破碎机，并且通过使用耐金属污染性优异的转子部件以及耐久性来降低破碎机的操作成本。 解决方案：破碎机设有破碎容器20，与粉碎容器20连接并引入粒状原料的原料引入通道14，将通过搅拌破碎容器20中的粒子原料粉碎的粉末分级的转子12 以及将粉碎粉末排出到转子12的底部的原料排出通路16.转子12设有保护部件，其表面被碳化硅覆盖，或由碳化硅构成。 转子12和原料排出通道16通过密封件连接，密封件表面被碳化硅覆盖，或由碳化硅制成。 然后，保护部件优选为位于转子12的上表面和下表面的上表面衬垫11a和下表面衬垫11b，密封构件优选为密封环13.版权所有（C） ）2009，JPO＆INPIT
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公开(公告)号：JPH07286070A
公开(公告)日：1995-10-31
申请号：JP8043894
申请日：1994-04-19
Applicant: BRIDGESTONE CORP
Inventor： ITO MICHIO , UCHIDA HIROSHI
Abstract: PURPOSE:To obtain a natural rubber viscosity stabilizer safely handleable, high in viscosity-stabilizing effect, capable of maintaining that effect for a long period of time, and free of the influence thereon of the temp. by using a specific compd. CONSTITUTION:A natural rubber viscosity stabilizer comprises zinc oxide or a metal salt of a fatty acid. A pref. selection is a metal salt of a fatty acid prepd. from a 5-20C fatty acid and Zn or Ca as the metal. 100 pts.wt. natural rubber is blended with zinc oxide or the metal salt of the fatty acid pref. in an amt. of at least 0.01 pt.wt. to prepare a constant viscosity natural rubber compsn.
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公开(公告)号：JP2000351614A
公开(公告)日：2000-12-19
申请号：JP16401399
申请日：1999-06-10
Applicant: BRIDGESTONE CORP
Inventor： ITO MICHIO , ENDO SHIGEKI
IPC: C01B31/36 , C04B35/575 , C04B35/626 , C04B35/52
Abstract: PROBLEM TO BE SOLVED: To obtain a highly pure silicon carbide powder and further to provide its production method. SOLUTION: This silicon carbide powder has
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4.发明专利
公开(公告)号：JPH11106212A
公开(公告)日：1999-04-20
申请号：JP27160197
申请日：1997-10-03
Applicant: BRIDGESTONE CORP
Inventor： ITO MICHIO , WADA HIROAKI
IPC: C01B31/36 , C04B35/565
Abstract: PROBLEM TO BE SOLVED: To provide the subject production unit capable of obtaining high-purity silicon carbide powder, and to provide a method for producing silicon carbide powder using the above production unit. SOLUTION: This production unit for silicon carbide powder is made up of a reactor 10 for affording the aimed silicon carbide powder by baking a silicon carbide stock mixture in an inert gas atmosphere, a gas inflow equipment 18 for allowing an inert gas to flow thereinto from one direction of the reactor, a circulating blower 16 for exhausting the inert gas and impurities produced during the baking process from a direction differing from the inflow direction for the inert gas to recover the impurities followed by returning the inert gas to the gas inflow equipment 18, a recovery equipment 12 for introducing the gas exhausted from the reactor 10 thereinto and recovering the impurities in the gas by quenching the gas so as to effect solidification of the impurities, and a dust collector 14 for capturing fine powder in the gas.
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公开(公告)号：JPH0959436A
公开(公告)日：1997-03-04
申请号：JP22075295
申请日：1995-08-29
Applicant: BRIDGESTONE CORP
Inventor： SUZUKI MASARU , ITO MICHIO
Abstract: PROBLEM TO BE SOLVED: To obtain a rubber composition improved in a mixing efficiency of milling energy, dispersibility, processability and reinforcing properties without detriment to physical properties by mixing a rubber with a specified vulcanization accelerator aid. SOLUTION: One hundred (100) pts.wt. carbon black having a nitrogen adsorption specific surface area of 100m /g or above, a nitrogen absorption specific surface/iodine adsorption specific surface area ratio of 0.9 or above an a DBP a sorption o 100cm /100g or above is mixed with 15 pts.wt. or below metal oxide and optionally a binder, and the obtained mixture is granulated to obtain a vulcanization accelerator aid comprising pellets having a diameter of 200-2,000μm, hardness of 6-25. This aid and a rubber are kneaded.
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Patent Agency Ranking
公开(公告)号：JPS63312333A
公开(公告)日：1988-12-20
申请号：JP14973687
申请日：1987-06-15
Applicant: BRIDGESTONE CORP
Inventor： ITO MICHIO , YAMAMOTO HISAO , OKAMURA NOBUYUKI , MORITA KOICHI
Abstract: PURPOSE:To obtain the titled composition giving a tire or belt, etc., having excellent heat-resistance and adhesivity to cord and high elastic modulus, by compounding a specific toluenebismaleimide and sulfur to a base rubber. CONSTITUTION:100pts.wt. of a rubber composed of natural rubber and/or synthetic rubber is compounded with 0.5-10pts.wt. of N,N'-toluenebismaleimide and 0.2-6pts.wt. of sulfur. The N,N'-toluenebismaleimide is preferably a mixture of N,N'-2,4-toluenebismaleimide and N,N'-2,6-toluenebismaleimide at a ratio of 80:20.
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公开(公告)号：JPS63243380A
公开(公告)日：1988-10-11
申请号：JP7158787
申请日：1987-03-27
Applicant: BRIDGESTONE CORP
Inventor： ITO MICHIO , ISEDA YUTAKA , TAKAGI HIROHIKO
IPC: B29D30/40 , C08J5/06 , D06M13/02 , D06M13/322 , D06M15/693
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公开(公告)号：JPS62232445A
公开(公告)日：1987-10-12
申请号：JP7551086
申请日：1986-04-03
Applicant: BRIDGESTONE CORP
Inventor： ITO MICHIO , HIRATA YASUSHI , KONDO HITOSHI
Abstract: PURPOSE:To improve the adhesiveness and thermal cycling resistance of the obtained rubber composition, by using a combination of cobalt resinate, at least one of resorcinol, beta-naphthol, etc., a maleimide derivative and silica as an adhesion promotor used for bonding a steel cord with a rubber. CONSTITUTION:A rubber composition for bonding steel cord comprising 100pts. wt. rubber (a) containing at least 70pts.wt. at least either natural rubber or a synthetic polyisoprene rubber, 0.05-0.7pt.wt. (in terms of a cobalt content) cobalt resinate (b), 0.5-5pts.wt. at least one compound (c) selected from among resorcinol, substituted phenol/formaldehyde resin and beta-naphthol, 0.5-5pts.wt. melamine resin (d) and 2-20pts.wt. silica (e). A desirable cobalt resinate in one having a m.p. in the range of 140-180 deg.C an a degree of oxidation
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公开(公告)号：JP2001130965A
公开(公告)日：2001-05-15
申请号：JP30680399
申请日：1999-10-28
Applicant: BRIDGESTONE CORP
Inventor： ITO MICHIO , ENDO SHIGEKI , OOTSUKI MASAMI
IPC: C04B35/565 , C04B35/626
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a silicon carbide sintered body by which the silicon carbide sintered body excellent in conductivity is readily produced without requiring a special raw material. SOLUTION: This method for producing the silicon carbide sintered body is characterized by a step for sintering a mixture of a silicon carbide powder, a nonmetallic sintering adjuvant and a nitrogen compound in a nitrogen atmosphere.
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公开(公告)号：JP2000143226A
公开(公告)日：2000-05-23
申请号：JP31960298
申请日：1998-11-10
Applicant: BRIDGESTONE CORP
Inventor： ITO MICHIO , WADA HIROAKI
IPC: C01B31/36
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus capable of continuously producing powdery silicon carbide having high purity and uniform grain size and also to provide a production process using the apparatus. SOLUTION: This apparatus is provided with: a reaction furnace for firing a silicon carbide raw material mixture that is charged into and placed in a graphite sample vessel, in an inert atmosphere to produce powdery silicon carbide; a gas inflow device for allowing an inert gas to flow into the reaction furnace in one direction; a means for discharging the inert gas and a gas that is generated in the firing stage of the silicon carbide raw material mixture and contains impurities, from the reaction furnace in a different direction from the inert gas inflow direction and recovering the impurities; and a recycle system for returning the inert gas discharged from the reaction furnace to the gas inflow device; wherein a bottom plate 91 and a side cylindrical body 90 of the sample vessel are formed as separate bodies from each other and the lower periphery of the side cylindrical body 90 is abutted on the periphery of the bottom plate 91.
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