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    • 2. 发明专利
    • Magnesium alloy member and its production method
    • 镁合金会员及其生产方法
    • JP2003277899A
    • 2003-10-02
    • JP2002083827
    • 2002-03-25
    • Kenji AzumaKurimoto LtdMeishin Kk名神株式会社健司 東株式会社栗本鐵工所
    • KITAGAWA MASAYOSHIMICHIURA YOSHISADAMAEKAWA KEIICHIADACHI TOSHIHIKOAZUMA KENJI
    • B21J5/00C22F1/00C22F1/06
    • PROBLEM TO BE SOLVED: To provide a method for producing a magnesium alloy having stable fine crystal grain structure and excellent formability by solving such problem as coarsening of crystal grains, obstruction to formability and increase of energy consumption and to provide a magnesium alloy member.
      SOLUTION: After applying a solution-treatment to the magnesium alloy, in a first forging process, a pre-strain of not less than at least 0.4 is given in a temperature range of 250-400°C and thereafter, an ageing treatment is applied and successively, a secondary forging is performed at a necessary temperature of not higher than the forging temperature. In this way, the fine grains of magnesium compound after ageing-treatment are precipitated and the coarsening of the crystal grains is prevented during the heating process in the secondary forging process. Further, the formed product having about ≤10 μm average crystal grain diameter and the stable fine crystal grain structure of ≤5 μm average crystal grain diameter under a suitable condition with a fining action by forging, and the material excellent in formability for the following working process, can be obtained.
      COPYRIGHT: (C)2004,JPO
    • 解决的问题:提供一种通过解决晶粒粗大化,成形性阻碍和能量消耗增加等问题,提供具有稳定的细晶粒结构和成形性优异的镁合金的制造方法,提供镁合金 会员。 解决方案:在对镁合金进行固溶处理之后,在第一锻造工艺中,在250-400℃的温度范围内给出至少为0.4以上的预应变,此后,老化 进行处理,依次在不高于锻造温度的必要温度下进行二次锻造。 以这种方式,老化处理后的镁化合物的细晶粒析出,并且在二次锻造工序中的加热过程中可以防止晶粒的粗大化。 此外,在具有通过锻造的精细作用的合适条件下,具有约≤10μm平均晶粒直径和稳定的细晶粒结构的平均晶粒直径≤5μm的成形制品,以及用于下列加工的成形性优异的材料 过程中,可以得到。 版权所有(C)2004,JPO
    • 4. 发明专利
    • Powder coating material and method for producing the same
    • 粉末涂料及其制造方法
    • JP2004300306A
    • 2004-10-28
    • JP2003095698
    • 2003-03-31
    • Tatsuhiko AizawaDainippon Toryo Co LtdKurimoto LtdMeishin Kk名神株式会社大日本塗料株式会社株式会社栗本鐵工所龍彦 相澤
    • KITAGAWA MASAYOSHIMICHIURA YOSHISADATAKAHARA WATARUYAMAMOTO YOSHIAKISANO HIDEJIAIZAWA TATSUHIKOADACHI TOSHIHIKO
    • C09D201/00C09D5/03
    • PROBLEM TO BE SOLVED: To improve productivity of a powder coating material, and dispersibility of a resin, a pigment, a curing agent and the like which are raw materials therefor.
      SOLUTION: The method for producing the powder coating material comprises mixing the resin, the pigment, the curing agent and the like which are the raw materials for the powder coating material, charging the mixed product in a cavity 1a of a mold 1, and repeatedly adding a load to the mixture by punches 2 and 3 from upper and lower sides, that is, by a bulk mechanical alloying (BMA) method to disperse and mix the raw materials. A melting step by heat becomes unnecessary by dispersing the raw materials by the BMA method to enable constrained conditions of the raw materials therefor to be eliminated. Further, the amount of the curing agent is reduced to make the coating operability excellent by increasing the dispersibility of the curing agent. A low-temperature curable coating material can be designed, and a curing agent which can not be used conventionally can be used to widen the width of selection of the curing agent because the melting step becomes unnecessary.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 待解决的问题:提高作为原料的粉末涂料的生产率和树脂,颜料,固化剂等的分散性。 < P>解决方案:粉末涂料的制造方法包括将作为粉末涂料的原料的树脂,颜料,固化剂等混合,将混合物在模具1的空腔1a内 并且通过上下两侧的冲头2和3,即通过大量机械合金化(BMA)方法向混合物反复添加负荷,以分散和混合原料。 通过用BMA法分散原料而不需要通过加热的熔融步骤,以消除原料的限制条件。 此外,通过降低固化剂的分散性,可以减少固化剂的使用量,使涂布操作性优异。 可以设计低温固化涂层材料,并且可以使用常规不能使用的固化剂来扩大固化剂的选择宽度,因为不需要熔融步骤。 版权所有(C)2005,JPO&NCIPI
    • 5. 发明专利
    • Mixture of organic material and inorganic material and its production method
    • 有机材料与无机材料及其生产方法的混合
    • JP2004314617A
    • 2004-11-11
    • JP2004094785
    • 2004-03-29
    • Tatsuhiko AizawaKurimoto LtdMeishin Kk名神株式会社株式会社栗本鐵工所龍彦 相澤
    • KITAGAWA MASAYOSHIMICHIURA YOSHISADATAKAHARA WATARUAIZAWA TATSUHIKOADACHI TOSHIHIKO
    • B29B7/06B01F13/00B29B7/88C09D7/80C09D201/00C09D7/14
    • PROBLEM TO BE SOLVED: To provide a highly productive mixture of an organic material and an inorganic material such as a coating agent, rubber, an ink, etc. which can be atomized and well dispersed.
      SOLUTION: An organic material such as a resin and an inorganic material such as a pigment are subjected to bulk mechanical alloying (BMA) by mixing at a volume ratio of 1:0.1 or higher, whereby a dynamic energy by pressure load acts as an energy for dispersion of the organic material and for mixing the two materials through the inorganic material as an energy medium to proceed dispersion and mixing, optionally accompanied with atomization of the inorganic material itself. In this way, effective atomization and homogeneity of the mixture can be attained to give a powdery coating agent and the like having improved characteristics. Upon conducting the above, an inorganic material such as a ceramic ball (silica, alumina, etc.) is incorporated as an energy transmitting medium. In a case of using the medium, the medium is optionally removed by filtration after BMA. Use of the ceramic ball is preferable because there is no fear about contamination with a metal which is observed in a case of using a metal ball.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供可以被雾化和良好分散的有机材料和无机材料如涂料,橡胶,油墨等的高生产率混合物。 解决方案:通过以1:0.1或更高的体积比混合,将有机材料如树脂和无机材料如颜料进行大量机械合金化(BMA),由此通过压力负载作用的动态能量 作为有机材料分散的能量,并且通过无机材料将两种材料作为能量介质进行混合以进行分散和混合,任选伴随着无机材料本身的雾化。 以这种方式,可以实现混合物的有效雾化和均匀性,得到具有改进特性的粉末涂料剂等。 在进行上述操作时,掺入诸如陶瓷球(二氧化硅,氧化铝等)的无机材料作为能量传递介质。 在使用介质的情况下,在BMA之后任选地通过过滤除去介质。 使用陶瓷球是优选的,因为不用担心在使用金属球的情况下观察到金属的污染。 版权所有(C)2005,JPO&NCIPI
    • 7. 发明专利
    • Method for analyzing bonding state of organic film on surface of metal
    • JP2004301535A
    • 2004-10-28
    • JP2003091809
    • 2003-03-28
    • Kenji AzumaKurimoto Ltd健司 東株式会社栗本鐵工所
    • TORII HIDEYAMICHIURA YOSHISADAKITAGAWA MASAYOSHIAZUMA KENJI
    • G01N33/20
    • PROBLEM TO BE SOLVED: To provide a more accurate and rapid behavior analyzing and evaluating method in relation to a process for forming an organic film on the surface of a metal before the synthesis of an organic film compound and a film forming experiment.
      SOLUTION: The potential energies in an atomic or molecular unit of the surface of the metal to be analyzed and the organic film on the surface of the metal are respectively calculated on the basis of a molecular dynamic method by a computer to culculate the most stable structures being the minimum energy values thereof. This calculation is performed using a monomer model as a unit in relation to the organic film and performed in relation to the surface of the metal by constructing the periodic boundary model of a crystal state. Next, the total energy value (=the potential energy value of the periodic boundary model of the surface of the metal-the potential energy value of the monomer model of the organic film) of the most stable structure model wherein the organic film and the periodic boundary model are combined is repeatedly calculated on the basis of molecular kinetics so as to be converged to a definite value to simulate the most stable structure model by the computer. When the total energy value is converged to the definite value, the organic film on the surface of the metal is determined to be stable and the bonded state of the organic film at this time of the behavior reaching the bonded state is analyzed.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 10. 发明专利
    • Joining material, its manufacturing method, and vehicle body structure of traffic transportation means
    • 接合材料及其制造方法和交通运输手段的车身结构
    • JP2009101418A
    • 2009-05-14
    • JP2008311685
    • 2008-12-08
    • Kenji AzumaKurimoto LtdRailway Technical Res Inst健司 東株式会社栗本鐵工所財団法人鉄道総合技術研究所
    • MORI HISASHITSUJIMURA TAROSAKAMOTO YOSHIOKITAGAWA MASAYOSHIMICHIURA YOSHISADAMAEKAWA KEIICHIAZUMA KENJI
    • B23K20/00B23K103/18B61D17/00B61D17/04
    • Y02T30/34
    • PROBLEM TO BE SOLVED: To provide a joining material which attains lightweighting while keeping strength, rigidityor the like, and to provide its manufacturing method and a vehicle body structure of a traffic transportation means.
      SOLUTION: The joining material 3 is used for the vehicle body structure of the traffic transportation means such as a railroad vehicle. The joining material 3 is a joined plate (clad material) of a sandwich structure in which a metal 3a and a metal 3b are joined by an adhesive material layer 3c. The metal 3a is an alloy plate material (bulk material) such as aluminum alloy, titanium alloy or stainless steel. As the aluminum alloy, an aluminum alloy for flattening is desirable, particularly, a heat treated alloy such as 6000 series aluminum alloy which excels in strength and corrosion resistance and which enables a prescribed strength to be obtained by age hardening. The metal 3b is magnesium alloy and is a magnesium alloy extrusion material for which extrusion machining is performed. The adhesive layer 3c is desirably a strong adhesive such as epoxy bond if heat treatment is performed after application.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种在保持强度,刚度等的同时实现轻量化的接合材料,并提供其交通运输装置的制造方法和车体结构。 解决方案:接合材料3用于诸如铁路车辆的交通运输工具的车身结构。 接合材料3是夹层结构的接合板(包覆材料),其中金属3a和金属3b通过粘合材料层3c接合。 金属3a是铝合金,钛合金或不锈钢等合金板材(散装材料)。 作为铝合金,优选用于平坦化的铝合金,特别是具有强度和耐腐蚀性优异的6000系铝合金的热处理合金,能够通过时效硬化获得规定的强度。 金属3b是镁合金,是进行挤压加工的镁合金挤压材料。 如果在施加之后进行热处理,则粘合剂层3c希望是诸如环氧树脂粘合剂的强粘合剂。 版权所有(C)2009,JPO&INPIT