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    • 51. 发明专利
    • Concrete and method for producing concrete
    • 混凝土和混凝土生产方法
    • JP2012121764A
    • 2012-06-28
    • JP2010274083
    • 2010-12-08
    • Takenaka Komuten Co Ltd株式会社竹中工務店
    • SAITO TOSHIOMITSUI TATEOYONEZAWA TOSHIOIKEO YOSAKUHASUMI TAKASHIYANAGIBASHI KUNIOTSUJI DAIJIROWACHI MASAHIRO
    • C04B28/08B07B7/083B09B1/00B09B5/00C04B7/153C04B7/19C04B18/16
    • Y02P40/143Y02W30/95
    • PROBLEM TO BE SOLVED: To provide a method for reproducing concrete raw materials from a dismantled concrete mass, and concrete produced by the method.SOLUTION: In a first separation step 100, the dismantled concrete mass 98 crushed to a diameter of 40 mm or less is pulverized to separate and recover rough aggregates 16 with a particle size of 5 mm or more and fine particles 14 with a particle size below 5 mm, whereby recycling of the rough aggregates 16 can be performed. In a second separation step 102, the fine particles 14 are separated into fine aggregates 20 with a particle size exceeding 0.6 mm and finely-divided powder 18 with a particle size of 0.6 mm or less, and the both are recovered, whereby recycling of the fine aggregates 20 can be performed. In a third separation step 104, the finely-divided powder 18 is separated into fine powder 24 and aggregate powder 26, and the both are recovered, whereby recycling of the finely-divided powder 24 can be performed. In a cement producing step 106, cement 84 is produced by adding blast furnace slag 80 and plaster 82 to the fine powder 24. In a concrete producing step 108, concrete 88 is produced by mixing water 110 to the cement 84, the rough aggregates 16 and the fine aggregates 20.
    • 要解决的问题:提供一种从拆解的混凝土块中再现混凝土原料的方法,以及通过该方法制备的混凝土。 解决方案:在第一分离步骤100中,粉碎至直径为40mm或更小的被拆除的混凝土块98被粉碎以分离并回收粒度为5mm以上的粗粒料16和微粒14与 颗粒尺寸低于5mm,从而可以进行粗骨料16的再循环。 在第二分离步骤102中,将细颗粒14分离为粒径超过0.6mm的细小聚集体20和粒径为0.6mm以下的细粉18,回收二者 可以执行细集料20。 在第三分离步骤104中,将细碎粉末18分离为细粉末24和聚集粉末26,并回收二者,由此可以进行细分粉末24的再循环。 在水泥生产步骤106中,通过将高炉渣80和石膏82加入到细粉末24中来生产水泥84.在混凝土生产步骤108中,通过将水110与水泥84混合,粗骨料16 和精细骨料20.版权所有(C)2012,JPO&INPIT
    • 56. 发明专利
    • Method and apparatus for treating fine grain of demolished concrete
    • 用于处理混凝土细粒的方法和装置
    • JP2010285303A
    • 2010-12-24
    • JP2009138634
    • 2009-06-09
    • Kurimoto LtdTakenaka Komuten Co Ltd株式会社栗本鐵工所株式会社竹中工務店
    • IKEO YOSAKUYONEZAWA TOSHIOYANAGIBASHI KUNIOHASUMI TAKASHIARAKAWA KAZUAKISHIMODA HIROSHIKAMANO HIROOMI
    • C04B18/16B02C17/08B07B4/06B09B3/00B09B5/00C04B14/06
    • Y02P40/20Y02W30/95
    • PROBLEM TO BE SOLVED: To provide a method and an apparatus for treating fine grains of demolished concrete, in which a continuous treatment is performed and heating energy is not needed. SOLUTION: Fine grains 14 of demolished concrete are continuously charged into a mill pot 40 from a fine grain feeding part 12, and air W1 for circulation is sent to the mill pot 40 by a blower device 58. The mill pot 40 rotates around its own axis while revolving around the revolution axis 42 of a planetary mill 36, and thereby, the charged fine grains 14 of the demolished concrete are pressed to the inner wall of the mill pot 40 by centrifugal force F, and are ground and kneaded. A fine powder 34 of a cement hardened material, separated by grinding and kneading, is removed together with air W1 and recovered by a fine powder recovery device 60. Fine aggregate 32 from which the fine powder 34 is removed is extruded from a taking-out port 50 and recovered in a fine aggregate recovery part 52. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种处理被破坏混凝土的细粒的方法和装置,其中进行连续处理并且不需要加热能量。 解决方案:将破碎的混凝土的细粒14从细粒供给部12连续地装入碾磨罐40中,通过鼓风装置58将用于循环的空气W1送入碾锅40。 围绕行星磨机36的旋转轴线42绕其自身的轴线旋转,由此,被破坏的混凝土的带电细粒14通过离心力F被压到铣钵40的内壁,并被研磨和捏合 。 通过研磨和捏合分离的水泥硬化材料的细粉末34与空气W1一起除去,并通过细粉回收装置60回收。从其中取出细粉末34的细骨料32从取出中挤出 港口50,并在细骨料回收部分52中回收。版权所有(C)2011,JPO&INPIT
    • 57. 发明专利
    • Cement-solidified soil composition
    • 水泥固化土壤组成
    • JP2007204974A
    • 2007-08-16
    • JP2006023048
    • 2006-01-31
    • Takenaka Komuten Co Ltd株式会社竹中工務店
    • SEKO SHIGEKIKOYAMA FUJIOAOKI MINORUKOBAYAKAWA IZUMISAEGUSA DAISUKEYANAGIBASHI KUNIO
    • E02D3/00C04B14/10C04B18/16C04B24/26C04B28/02C09K17/02C09K17/10C09K17/44C09K103/00
    • C04B28/04C04B2111/0031C04B14/361C04B2103/40
    • PROBLEM TO BE SOLVED: To provide a cement-solidified soil composition which can be suitably used for temporary soil improvement and as a substitute for ballasting in the execution of construction work, which is excellent in fluidity during construction, and which can form solidified matter with sufficient strength.
      SOLUTION: The cement-solidified soil composition contains silty soil, sandy soil, concrete-crushed powder, Portland cement, water, and a surface-active agent. Preferably, the mixing ratio of the amount of the concrete-crushed powder to the total amount of the silty soil and the sandy soil, which is 100 pts.mass, is in the range of >40 pts.mass and ≤90 pts.mass; and the 1.0-1.5 pts.mass water, the 2.5-4.5 pts.mass mixture of the silty soil, the sandy soil and the concrete-crushed powder, and the 0.0002-0.02 pt.mass surface-active agent is contained with respect to the 1 pt.mass Portland cement.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种可以适用于临时土壤改良的水泥固化土组合物,并且作为在施工中流动性优异的施工作业中的压载替代物,其可以形成 固体物质具有足够的强度。 解决方案:水泥固化土壤组合物含有粉质土,砂土,混凝土粉碎粉,波特兰水泥,水和表面活性剂。 优选地,混合粉碎粉末的量与粉质土壤和沙土的总量的混合比为100 pts.mass,在> 40 pts.mass和≤90pts.mass的范围内 ; 和1.0-1.5盎司的水,粉碎土壤,砂土和混凝土粉碎粉末的2.5-4.5盎司混合物和0.0002-0.02盎司表面活性剂相对于 1吨的波特兰水泥。 版权所有(C)2007,JPO&INPIT
    • 59. 发明专利
    • PRODUCTION PROCESS OF RECYCLED AGGREGATE
    • JP2002087857A
    • 2002-03-27
    • JP2000282214
    • 2000-09-18
    • TAKENAKA KOMUTEN CO
    • YANAGIBASHI KUNIOYONEZAWA TOSHIO
    • C04B18/16C04B18/08C04B18/12C04B18/14
    • PROBLEM TO BE SOLVED: To provide a recycled aggregate production process which enables improvement in recycle ratio of mixed construction waste, reduction in final disposal volume and effective utilization of resources. SOLUTION: This production process comprises a grinding stage S1 for grinding mixed construction waste obtained by mixing several kinds of construction waste together, a kneading stage S2 for kneading the ground mixed construction waste and a fine mineral powder together, to obtain a kneaded material, a granulation stage S3 for granulating the kneaded material, to obtain a granulated material, an encapsulation stage S4 for coating the surface of the granulated material with the fine mineral powder, to obtain a coated granulated material, and a sintering stage 5 for sintering the coated granulated material, wherein the fine mineral powder is one fine powder selected from fly ash, fine powder caused in crushed stone production, fine powder caused in recycled aggregate production from crushed concrete masses and/or dehydrated cake of generated sludge in construction, fine-powdery blast-furnace slag and mixtures of optional plural fine-powdery materials of them and also, the thickness of the coating layer formed in the encapsulation stage S4 is adjusted to 1-5 mm.