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    • 3. 发明专利
    • Curved propulsion method and gland used therefor
    • 曲线推进方法及其使用的GLAND
    • JP2013108276A
    • 2013-06-06
    • JP2011253970
    • 2011-11-21
    • Nippon Hume Corp日本ヒューム株式会社
    • IGAWA HIDEKIFURUYA AKIHIRO
    • E21D9/06F16L1/024
    • PROBLEM TO BE SOLVED: To prevent a propulsion pipe in a rearmost part from being cracked even in the case where a propulsion pipe of a short pipe length is used in sharply curved propulsion.SOLUTION: A tubular propulsion pipe 10 are connected successively while interposing cushion materials 20 between propulsion pipe end faces in upper and lower portions of its end face and extruded in a propulsion pipe axis direction by a back-pushing jack 14. When performing curved propulsion by changing a horizontal direction between propulsion pipes neighboring to each other with the cushion material portion between upper and lower propulsion pipe end faces as a fulcrum, on a front end face of a gland 12 interposed between the back-pushing jack 14 and a propulsion pipe in a rearmost part, propulsion pipe pressurizing protrusions 31 are provided at upper and lower positions corresponding to the cushion material 20 between propulsion pipe end faces, and a rear end face of the gland 12 is extruded by the back-pushing jack 14.
    • 要解决的问题:即使在短管道长度的推进管用于急剧弯曲的推进的情况下,为了防止最后部件中的推进管也被破裂。 解决方案:管状推进管10连续连接,同时在其端面的上部和下部中的推进管端面之间插入缓冲材料20,并通过反推插孔14在推进管轴线方向上挤压。当执行 通过将彼此相邻的推进管之间的水平方向与上推进管端面和下推进管端面之间的缓冲材料部分作为支点将水平方向改变为插入在推压插座14和第二推动插头14之间的压盖12的前端面上的弯曲推进 推进管加压突起31设置在对应于推进管端面之间的缓冲材料20的上部和下部位置处,并且压盖12的后端面被推回式插座14挤压。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Steel pipe concrete composite pipe
    • 钢管混凝土复合管
    • JP2011110794A
    • 2011-06-09
    • JP2009268825
    • 2009-11-26
    • Nippon Hume Corp日本ヒューム株式会社
    • KATSUTA MASAMICHIIGAWA HIDEKINOMOTO SADAHISAWATANABE TAKANOBUKUBOTA MITSURU
    • B28B21/58B28B21/68F16L9/08
    • PROBLEM TO BE SOLVED: To provide a steel pipe concrete composite pipe having relatively low pressure resistance, which can be manufactured at a lower cost, compared with the conventional product, without increasing the thickness of a whole outer shell steel pipe.
      SOLUTION: An expansive concrete layer is placed with a desired thickness on the inner face of the outer shell steel pipe, the expansion occurring in solidification of the expansive concrete is constrained by the steel pipe and the prestress is imparted to the steel pipe concrete composite pipe. The composite pipe has a connection collar integrally formed at the end thereof by extending the end of the outer shell steel pipe longer than the concrete layer part. In the outer shell steel pipe, a part from the collar part to the end part outer periphery of the collar side of the concrete layer is made a thickness part which is thicker than other part.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种与常规产品相比可以以较低成本制造的耐压性相对较低的钢管混凝土复合管,而不增加整个外壳钢管的厚度。 解决方案:膨胀混凝土层在外壳钢管的内表面上放置有所需的厚度,膨胀混凝土凝固中发生的膨胀受钢管约束,预应力被施加到钢管 混凝土复合管。 复合管具有通过使外壳钢管的端部比混凝土层部分更长的方式在其一端形成一体的连接环。 在外壳钢管中,将从混凝土层的套环侧的套环部到端部外周的部分制成厚度比其他部分厚的部分。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Manufacturing method of high-strength centrifugal molding concrete pipe
    • 高强度离心成型混凝土管的制造方法
    • JP2013032246A
    • 2013-02-14
    • JP2011169305
    • 2011-08-02
    • Nippon Hume Corp日本ヒューム株式会社
    • IGAWA HIDEKIOGAWA YOJI
    • C04B28/02C04B18/14C04B24/26C04B111/56
    • Y02W30/94
    • PROBLEM TO BE SOLVED: To provide a manufacturing method of a high-strength hume pipe in which a compressive strength becomes at least 100 N/mmwithout using a sludge reducer and without lowering a high speed centrifugation G.SOLUTION: The manufacturing method of the high-strength centrifugal molding concrete pipe in which a concrete pipe is formed by performing centrifugation forming is characterized in that a total powder weight consisting of cement or the cement and a particulate admixture is at least 650 kg/m, the water ratio (water to powder ratio) to the total powder weight is at most 21% (% by weight same as follows), the ratio of a fine aggregate volume (fine aggregate ratio s/a) to a total aggregate is at most 45%, a paste fine aggregate ratio α showing the filling ratio of a cement paste to a fine aggregate void is 2.0
    • 要解决的问题:为了提供其中抗压强度变得至少为100N / mm 2 而不使用污泥减量器的高强度休眠管的制造方法 并且不降低高速离心G解决方案:通过进行离心成型而形成混凝土管的高强度离心式混凝土管的制造方法的特征在于,由水泥或 水泥和颗粒状混合物的含量至少为650kg / m 3,水与粉末的比例(水与粉末的比例)为21重量%以下(重量%以上) 如下),细总骨料体积(细骨料比s / a)与总骨料的比例为45%以下,表示水泥糊与细集料空隙的填充率的糊料细集料比α为2.0 <α<3.0,表示研钵与粗骨料空隙的填充率的砂浆粗骨料比β 2.5 <β<3.6,调节减水剂的添加量,从而使坍落度流动值为400mm〜800mm,50cm的塌落流动时间为15秒以上。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • Connection part structure of propulsion pipe
    • 推进管连接件结构
    • JP2013023846A
    • 2013-02-04
    • JP2011157634
    • 2011-07-19
    • Nippon Hume Corp日本ヒューム株式会社
    • IGAWA HIDEKIMIOKA ZENPEI
    • E21D9/06F16L1/024
    • PROBLEM TO BE SOLVED: To provide a connection part structure of a propulsion pipe capable of suitably distributing and efficiently transmitting propulsion force between the propulsion pipes comprising Hume pipes or the like even when high propulsion force acts between the propulsion pipes when constructing a pipe line, especially a bent pipe line, of a sewerage system or the like by a propulsion method.SOLUTION: In the connection part structure of the propulsion pipe formed by interposing a propulsion force transmission member between a rear end face of the propulsion pipe at the front and a front end face of the propulsion pipe at the rear connected to each other by the propulsion method, the propulsion force transmission member 10 is formed by overlapping a transmission main member 11 which is pressurized and deformed by the end faces of both propulsion pipes in the process of propulsion and a pair of reinforcing members 12, 12 arranged on both front and rear end faces of the transmission main member 11, and deformation in a propulsion pipe circumferential direction and a radial direction of the transmission main member 11 is prevented from being transmitted to the propulsion pipe end faces by both reinforcing members 12, 12.
    • 要解决的问题:为了提供能够适当地分配并有效地将推进力传递到包括休眠管等的推进管之间的推进管的连接部件结构,即使当构造一个或多个推进管时推进管之间产生高的推进力 管线,特别是弯管线,排水系统等的推进方法。 解决方案:在推进管的连接部件结构中,该推进管通过在前部的推进管的后端面与后方的推进管的前端面之间插入推进力传递部件而形成 通过推进方法,推进力传递构件10通过在推进过程中由两个推进管的端面加压和变形的传动主构件11和布置在两者上的一对加强构件12,12重叠而形成 变速器主构件11的前端面和后端面以及变速器主构件11的推进管圆周方向和径向的变形被防止被两个加强构件12,12传递到推进管端面。 P>版权所有(C)2013,JPO&INPIT
    • 9. 发明专利
    • Propelling pipe connection structure
    • JP2004100344A
    • 2004-04-02
    • JP2002266258
    • 2002-09-12
    • Nippon Hume Corp日本ヒューム株式会社
    • IGAWA HIDEKIAKIMOTO MASAAKI
    • E21D9/06F16L21/02
    • PROBLEM TO BE SOLVED: To provide a propelling pipe connection structure which is simple and high in cutoff effect.
      SOLUTION: The propelling pipe connection structure is constructed by fixing a cylindrical collar member 11 to the periphery of an end of one of propelling pipes 10A connected to each other, in a manner protruding from an end face of the propelling pipe, forming a connection fitting portion 12 in an end of the other propelling pipe 10B, fitting the connection fitting portion 12 into the collar member 11, and sealing a gap between the collar member 11 and the connection fitting portion 12 with an annular elastic sealing member, to thereby cut off water at a connection portion between the serially connected propelling pipes. In the structure, the sealing member consists of an inner pressure sealing member 13 and an outer pressure sealing member 14. The inner pressure sealing member 13 is fixed to and diagonally protruded from the inner peripheral surface of the collar member, and deformed in an erecting direction upon application of water pressure from the interior of the propelling pipe. The outer pressure sealing member 14 is fixed to and diagonally protruded from the outer peripheral surface of the connection fitting portion 12, and deformed in an erecting direction upon application of water pressure from the outside of the propelling pipe.
      COPYRIGHT: (C)2004,JPO
    • 10. 发明专利
    • Resin material for lining
    • 树脂材料
    • JP2012117009A
    • 2012-06-21
    • JP2010270357
    • 2010-12-03
    • Kao CorpNippon Hume Corp日本ヒューム株式会社花王株式会社
    • IGAWA HIDEKIEGUCHI HIDEO
    • C09D167/00B29C63/26C08G63/672C08J3/05C09D5/02C09D7/12C09D125/14
    • PROBLEM TO BE SOLVED: To provide a resin material for lining excellent in adhesivity, operability and safeness while securing water perfusion resistance and acid resistance.SOLUTION: This resin material for lining, with which inner peripheral surface of a concrete pipe is coated, is produced by mixing an aqueous dispersion of a polyester, a (meth)acrylic-styrene emulsion having an acid value of 3-50 KOHmg/g, and silica sol, wherein the aqueous dispersion of a polyester is obtained by: dissolving a polyester having an acid number of 3-100 KOHmg/g into an organic solvent; adding a basic compound to neutralize the solution; adding water thereto; and thereafter distilling out the organic solvent to be converted into an aqueous phase.
    • 要解决的问题:提供一种粘合性,操作性和安全性优异的树脂材料,同时确保耐水灌注性和耐酸性。 解决方案:通过将聚酯的水性分散体,酸值为3-50的(甲基)丙烯酸 - 苯乙烯乳液混合,制造用于涂覆混凝土管的内周面的衬里用树脂材料 KOHmg / g和二氧化硅溶胶,其中聚酯的水分散体是通过将酸值为3〜100KOHmg / g的聚酯溶解在有机溶剂中而获得的; 加入碱性化合物中和溶液; 向其中加水; 然后蒸出有机溶剂以转化成水相。 版权所有(C)2012,JPO&INPIT