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    • 21. 发明专利
    • Hollow ceramic structure and its manufacturing method
    • 中空陶瓷结构及其制造方法
    • JP2007238366A
    • 2007-09-20
    • JP2006062007
    • 2006-03-08
    • National Institute Of Advanced Industrial & Technology独立行政法人産業技術総合研究所
    • KITA HIDENORIKONDO NAOKIHIUGA HIDEKI
    • C04B37/00B22D18/04F27D1/04
    • PROBLEM TO BE SOLVED: To provide a hollow ceramic structure which is large in size, excellent in heat insulating property, light in weight and excellent in corrosion resistance and to provide its manufacturing method.
      SOLUTION: In the hollow ceramic structure, (1) a plurality of units each having a three-dimensional complicated shape of the hollow structure are incorporated, joined and integrated each other, (2) then all member shapes are formed, and (3) a hollow part is formed inside the wall surface. Thus, the hollow part is formed inside the wall surface of the large sized ceramic member by using a system for assembling the basic units precisely formed by injection molding and a reaction sintering method and the large sized light weight ceramic member having functions such as high heat insulating property and wetness difficulty which is difficult to be manufactured by a conventional technology is manufactured inexpensively.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种尺寸大,绝热性好,重量轻,耐腐蚀性优异的中空陶瓷结构体,并提供其制造方法。 解决方案:在中空陶瓷结构中,(1)多个具有中空结构的三维复杂形状的单元结合并相互结合,(2)然后形成所有的构件形状, (3)在壁面内形成中空部。 因此,通过使用用于组装通过注射成型精确形成的基本单元和反应烧结方法的系统以及具有诸如高热等功能的大尺寸重量轻的陶瓷构件,在大尺寸陶瓷构件的壁表面内形成中空部分 廉价地制造难以通过现有技术制造的绝缘性和湿度难度。 版权所有(C)2007,JPO&INPIT
    • 24. 发明专利
    • Temperature measuring device and temperature measuring method of molten metal
    • 温度测量装置和温度测量方法
    • JP2008045971A
    • 2008-02-28
    • JP2006221071
    • 2006-08-14
    • Jfe Mechanical Co LtdJfeメカニカル株式会社National Institute Of Advanced Industrial & TechnologyNisshin Rifuratetsuku KkShinko Metal Products Kk日新リフラテック株式会社独立行政法人産業技術総合研究所神鋼メタルプロダクツ株式会社
    • KITA HIDENORIHIUGA HIDEKIKONDO NAOKINARUSHIGE YOSHIAKITANAKA YASUSHIYAMANAKA ZENKICHI
    • G01K1/14G01K1/08G01K11/12
    • PROBLEM TO BE SOLVED: To provide a temperature measuring device and a temperature measuring method that is less apt to generate fusion loss due to molten metal, and having superior responsiveness or accuracy with respect to the temperature of the molten metal, and a method, concerning the temperature measurement method, capable of continuously and economically measuring the temperature of the molten metal near the bottom part of a holding container, and generating less damages to the temperature measuring device due to inputted raw material. SOLUTION: The temperature measuring device 1A for measuring the temperature of the molten metal M is equipped with a heat resistant tube 2, comprising a high melting-point material opened to a tube front end face 2a in contact with the molten metal M, and having a through hole 3, having a narrow diameter formed along the tube axis from the tube front end face 2a to a tube rear-end face 2b; a temperature detector 4 for detecting the temperature of the molten metal M; and a temperature calculating part 5 connected to the temperature detector 4, for calculating the temperature of the molten metal M, based on temperature information from the temperature detector 4. In the device 1A, a space part 6, having a prescribed length L, is formed between the tube front end face 2a and the temperature detector 4. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种温度测量装置和温度测量方法,该温度测量装置和温度测量方法不易熔融金属产生熔融损失,并且相对于熔融金属的温度具有优异的响应性或精度, 关于温度测量方法,能够连续和经济地测量保持容器的底部附近的熔融金属的温度,并且由于输入的原料而对温度测量装置产生较小的损坏。 解决方案:用于测量熔融金属M的温度的温度测量装置1A装备有耐热管2,该耐热管2包括与熔融金属M接触的管前端面2a开口的高熔点材料 并且具有通孔3,其具有从管前端面2a到管后端面2b沿着管轴形成的窄直径; 用于检测熔融金属M的温度的温度检测器4; 以及温度计算部5,其连接到温度检测器4,用于基于来自温度检测器4的温度信息计算熔融金属M的温度。在器件1A中,具有规定长度L的空间部6为 形成在管前端面2a和温度检测器4之间。版权所有(C)2008,JPO&INPIT
    • 25. 发明专利
    • Reaction sintered silicon nitride-based composite and method for producing the same
    • 反应烧结的基于氮化硅的复合材料及其制造方法
    • JP2008024579A
    • 2008-02-07
    • JP2007069637
    • 2007-03-16
    • Kubota CorpNational Institute Of Advanced Industrial & Technology株式会社クボタ独立行政法人産業技術総合研究所
    • HIUGA HIDEKIKONDO NAOKIKITA HIDENORIGAMA TAKAHIRO
    • C04B35/584C04B35/591
    • PROBLEM TO BE SOLVED: To provide a reaction sintered silicon nitride-based composite prepared by using silicon as a main raw material, which is less expensive than silicon nitride, and utilizing the process of nitriding silicon. SOLUTION: The silicon nitride-based composite is prepared by using a raw material containing silicon, subjecting the raw material to reaction sintering under a nitrogen atmosphere for nitriding the silicon, and then densifying the resulting silicon nitride. The silicon nitride-based composite contains oxide and/or nitride of Zr in a dispersed state and has an amorphous phase of oxide or oxynitride which contains at least Al and Si as a grain boundary phase. Its production process is disclosed. Also provided is a method for producing a silicon nitride-based composite containing a β-sialon-based ceramic which comprises using a raw material containing silicon as a starting raw material, mixing zirconium oxide and a sintering aid in a predetermined formulation, molding the resulting mixture, subjecting the resulting molded product to reaction sintering under a nitrogen atmosphere for nitriding the silicon, and then raising the temperature of the resulting silicon nitride to densify the same. The present invention can provide a silicon nitride-based composite which is excellent in reliability and can be produced at a low cost. COPYRIGHT: (C)2008,JPO&INPIT
    • 待解决的问题:提供一种通过以硅为主要原料制备的反应烧结氮化硅基复合材料,其比氮化硅便宜,并且利用硅氮化工艺。 解决方案:通过使用含硅原料制备氮化硅基复合材料,在氮气氛围下对原料进行反应烧结以氮化氮化,然后使得到的氮化硅致密化。 氮化硅系复合体含有分散状态的Zr的氧化物和/或氮化物,并且具有至少包含Al和Si作为晶界相的氧化物或氧氮化物的非晶相。 公开了其生产过程。 还提供了一种含有β-赛隆系陶瓷的氮化硅系复合体的制造方法,其特征在于,以含硅为原料的原料为原料,将氧化锆和烧结助剂以规定的配方混合, 混合物,使得到的成型体在氮气氛下进行反应烧结,对硅进行氮化,然后使得到的氮化硅的温度升高,使其致密化。 本发明可以提供一种氮化硅系复合体,其可靠性优异,可以低成本地制造。 版权所有(C)2008,JPO&INPIT
    • 26. 发明专利
    • Ceramic carrier, ceramic catalytic body and methods for manufacturing them
    • 陶瓷载体,陶瓷催化体及其制备方法
    • JP2007244993A
    • 2007-09-27
    • JP2006071840
    • 2006-03-15
    • Denso CorpNational Institute Of Advanced Industrial & TechnologyNippon Soken Inc株式会社デンソー株式会社日本自動車部品総合研究所独立行政法人産業技術総合研究所
    • YOSHIDA KATSUMIDANIEL DONI JAYASEELANKITA HIDENORIKONDO NAOKIHIUGA HIDEKIKOIKE KAZUHIKONAKANISHI TOMOHIKO
    • B01J35/04B01D53/86B01J35/06B01J35/10B01J37/08C04B38/00
    • PROBLEM TO BE SOLVED: To provide a ceramic carrier having a cordierite porous body, which is stable at high temperature and has high specific surface area, as a base material and a granular agglomerate in which fibrous ceramics are intertwined with one another and to provide a ceramic catalytic body. SOLUTION: The cordierite-based porous ceramic carrier has the granular agglomerate in which fibrous ceramics are intermingled with one another. The ceramic catalytic body is manufactured by depositing a catalyst component on the porous ceramic carrier and has fibrous ceramics. A method for manufacturing the porous ceramic carrier comprises a step of reacting a part of a raw material with a porogen to produce the granular agglomerate of fibrous ceramics intermingled with one another on the surface of a sintered compact at a firing step. As a result, a catalyst-deposited honeycomb structure can be obtained, which has large specific surface area, the decrease of whose specific surface area due to the sintering is restrained, which has a small heat capacity and consequently is activated in early stages and has a small pressure loss, the cordierite porous body as the base material and the granular agglomerate of fibrous ceramics intermingled with one another. COPYRIGHT: (C)2007,JPO&INPIT
    • 待解决的问题:提供一种陶瓷载体,其具有堇青石多孔体,其在高温下稳定并具有高比表面积,作为基体材料和颗粒团聚体,其中纤维状陶瓷彼此缠结, 以提供陶瓷催化体。 解决方案:堇青石基多孔陶瓷载体具有其中纤维状陶瓷彼此混合的颗粒聚集体。 陶瓷催化剂体通过在多孔陶瓷载体上沉积催化剂组分并具有纤维状陶瓷来制造。 制造多孔陶瓷载体的方法包括使一部分原料与致孔剂反应的步骤,以在煅烧步骤中在烧结体的表面上形成相互混合的纤维状陶瓷的颗粒团聚体。 结果,可以获得具有大的比表面积的催化剂沉积的蜂窝结构体,抑制烧结时的比表面积的减小,其热容量小,因此在早期阶段被激活, 小的压力损失,堇青石多孔体作为基础材料和相互混合的纤维状陶瓷颗粒团聚物。 版权所有(C)2007,JPO&INPIT
    • 28. 发明专利
    • Hollow structure and cleaning and catalyst system using the same
    • 中空结构与清洁与催化系统的使用
    • JP2007061779A
    • 2007-03-15
    • JP2005254312
    • 2005-09-02
    • National Institute Of Advanced Industrial & Technology独立行政法人産業技術総合研究所
    • KITA HIDENORIHIUGA HIDEKIYOSHIDA KATSUMIKONDO NAOKI
    • B01J35/08B01D39/06B01D53/86B01D53/94B01J21/16B01J27/24B01J33/00F01N3/02F01N3/10F01N3/24F01N3/28
    • PROBLEM TO BE SOLVED: To provide a system for cleaning a gas to be treated and depositing a catalyst by using a new hollow structure substitutable with a honeycomb structure. SOLUTION: The hollow structure for cleaning the gas to be treated and depositing the catalyst has a hollow body composed of ceramics or a heat-resistant metal as a part of a carrier or a filter part. The carrier or the filter part is composed of an aggregate of the hollow bodies each having the predetermined size and a through-hole is formed on the wall surface of the hollow body as a gas passage. The system for cleaning the gas to be treated and depositing the catalyst is characterized in that the hollow structure is arranged in the predetermined position in a vessel or a pipeline and each of both ends of the hollow structure is fixed immovably by a fixing means having apertures through which the gas to be treated passes satisfactorily. As a result, this system can cope with various unit shapes. The deposited catalyst does not drop out even when hollow bodies are rubbed against one another. The gas to be treated can be cleaned efficiently and a catalytic reaction can be advanced. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种用于清洁待处理气体并通过使用可以用蜂窝结构代替的新的中空结构沉积催化剂的系统。 解决方案:用于清洁待处理气体和沉积催化剂的中空结构具有由陶瓷或作为载体或过滤器部分的一部分的耐热金属组成的中空体。 载体或过滤器部分由具有预定尺寸的中空体的聚集体构成,并且在中空体的壁表面上形成通孔作为气体通道。 用于清洁待处理气体和沉积催化剂的系统的特征在于,中空结构被布置在容器或管道中的预定位置,并且中空结构的两端中的每一端都通过具有孔的固定装置固定地固定 待处理的气体通过它们令人满意地通过。 因此,该系统可以应对各种单元形状。 即使中空体彼此摩擦,沉积的催化剂也不会脱落。 待处理的气体可以被有效地清洁并且可以提前进行催化反应。 版权所有(C)2007,JPO&INPIT
    • 29. 发明专利
    • Low-friction low-wear composite material based on silicon nitride and its manufacturing method
    • 基于硅氮化物的低摩擦低密度复合材料及其制造方法
    • JP2005112703A
    • 2005-04-28
    • JP2003371161
    • 2003-10-30
    • Isuzu Motors LtdNational Institute Of Advanced Industrial & Technologyいすゞ自動車株式会社独立行政法人産業技術総合研究所
    • SHU YUHIRAO KIYOSHIYAMAUCHI YUKIHIKOHIUGA HIDEKI
    • F16C33/24C04B35/584C04B35/626F16C33/32F16C33/64F16J15/34
    • Y02T10/865
    • PROBLEM TO BE SOLVED: To provide a silicon nitride ceramic having both low friction and low wear properties and its manufacturing method, etc. SOLUTION: This composite material is a silicon nitride/carbon fiber composite material which is prepared by compounding as a row material a carbon fiber having a tensile elastic modulus of higher than 550 GPa and a graphite bonding content of higher than 85%, blending, pulverizing, and dispersing it to a silicon nitride, then sintering, its manufacturing method and sliding members comprising the composite material are also disclosed. This silicon nitride/carbon fiber composite material can keep the friction coefficient under no lubrication not higher than 0.25, and the wear caused by brittle fracture is suppressed by the drown-out effect of the dispersed carbon fiber which enhances the value of fracture toughness of the material itself, and its manufacturing method and sliding members therefrom can be provided. The low friction can be exerted even in water and sliding members such as underwater mechanical seal, etc. can be prepared. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供具有低摩擦和低磨损特性的氮化硅陶瓷及其制造方法等。解决方案:该复合材料是氮化硅/碳纤维复合材料,其由 将具有高于550GPa的拉伸弹性模量和高于85%的石墨粘合含量的碳纤维作为行材料混合,粉碎并分散到氮化硅中,然后烧结,其制造方法和滑动构件 还公开了包含复合材料的材料。 这种氮化硅/碳纤维复合材料可以使摩擦系数保持在不高于0.25的润滑状态,并且由于分散的碳纤维的淹没效应而抑制脆性断裂引起的磨损,这提高了断裂韧性的值 可以提供材料本身及其制造方法和滑动构件。 也可以在水中施加低摩擦力,并且可以制备诸如水下机械密封等的滑动构件。 版权所有(C)2005,JPO&NCIPI
    • 30. 发明专利
    • Method for mutually jointing two ceramic members, and ceramic members
    • 用于连接两个陶瓷成员和陶瓷成员的方法
    • JP2012062223A
    • 2012-03-29
    • JP2010208121
    • 2010-09-16
    • National Institute Of Advanced Industrial Science & Technology独立行政法人産業技術総合研究所
    • KONDO NAOKIHIRAO KIYOSHIKITA HIDENORIHIUGA HIDEKIHOTTA MIKINORI
    • C04B37/00
    • PROBLEM TO BE SOLVED: To provide a method for jointing ceramic members, which can provide good adhesivity.SOLUTION: The method includes a step of preparing first and second ceramic green bodies, a step of installing an additive substance on one surface of the first ceramic green body, wherein the additive substance contains a second inorganic substance which forms a liquid phase with an inorganic substance main component contained in the first ceramic green body at a temperature a first temperature or higher, a step of firing the first and second ceramic green bodies to form first and second ceramic members, and a step of arranging the first and second ceramic members so that the one surface of the first ceramic member contacts with one surface of the second ceramic member, and holding the temperature at a second temperature the first temperature or higher.
    • 要解决的问题:提供一种可以提供良好粘合性的陶瓷构件接合方法。 解决方案:该方法包括制备第一和第二陶瓷生坯的步骤,在第一陶瓷生坯的一个表面上安装添加物质的步骤,其中添加剂物质含有形成液相的第二无机物质 在第一陶瓷生坯中含有无机物质主成分的温度为第一温度以上,烧成第一陶瓷生坯和第二陶瓷生坯以形成第一陶瓷部件和第二陶瓷部件的工序,以及将第一和第二陶瓷坯体 陶瓷构件,使得第一陶瓷构件的一个表面与第二陶瓷构件的一个表面接触,并将温度保持在第一温度以上。 版权所有(C)2012,JPO&INPIT