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    • 6. 发明专利
    • Concrete pipe having high durability, and method for manufacturing the same
    • 具有高耐久性的混凝土管及其制造方法
    • JP2012240204A
    • 2012-12-10
    • JP2011108879
    • 2011-05-14
    • Nippon Concrete Ind Co Ltd日本コンクリート工業株式会社Hien Electric Industries Ltdヒエン電工株式会社
    • ITO YASUHIROCHIGIRI KAZUYOSHI
    • B28B23/02B28B21/56
    • PROBLEM TO BE SOLVED: To provide a concrete pipe improved in the corrosion resistance and salt resistance of a main reinforcement and a spiral reinforcement, and a method for manufacturing the same.SOLUTION: A hoop (spiral reinforcement) is arranged on the outer peripheral surface of the main reinforcement among the main reinforcement (axial reinforcement), and the hoop (spiral reinforcement), both of which are externally coated with a synthetic thermoplastic resin, to house the main reinforcement (axial reinforcement) and the hoop (spiral reinforcement) in a frame, and common concrete and blast furnace slag concrete are injected in the frame to perform centrifugal compaction molding or vibration compaction molding. The molded concrete is demolded after steam ageing to obtain the concrete pipe. The method for manufacturing the concrete pipe is also disclosed.
    • 要解决的问题:提供一种改进主加强件和螺旋加强件的耐腐蚀性和耐盐性的混凝土管及其制造方法。 解决方案:主加强件(轴向加强件)和箍(螺旋加强件)之间的主加强件的外周面上设置有环(螺旋加强件),两者都在外部涂覆有合成热塑性树脂 将主钢筋(轴向钢筋)和箍(螺旋钢筋)放置在框架内,将普通混凝土和高炉矿渣混凝土注入框架,进行离心压实成型或振动压实成型。 蒸汽老化后将模制的混凝土脱模,得到混凝土管。 还公开了制造混凝土管的方法。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • Rope for extending cable and method for producing the same
    • 用于扩展电缆的绳和其制造方法
    • JP2003027384A
    • 2003-01-29
    • JP2001212306
    • 2001-07-12
    • Hien Electric Industries Ltdヒエン電工株式会社
    • CHIGIRI KAZUYOSHIAZUMA YUKIHIRO
    • D07B1/16D07B5/00H02G1/06
    • D07B1/162D07B5/006D07B7/145D07B2201/2086
    • PROBLEM TO BE SOLVED: To provide both a rope for extending a cable by preventing a buckling phenomenon caused in a wrinkle form on the rope surface and maintaining an interval from the existing cable without damaging the existing cable and a method for producing the rope. SOLUTION: This rope 1 for extending the cable is covered with a resin 3 on the outer peripheral surface of ropes 2 obtained by laying fibers. In the rope 1, the covering of the resin 3 has a plurality of protruding parts 4 peripherally provided on the surface. The method for producing the rope 1 for extending the cable comprises covering the outer peripheral surfaces of the ropes 2 prepared by laying the fibers with the resin 3. In the method, a molding die 13 of an extruder 7 for covering the outer peripheral surfaces of the ropes 2 with the resin 3 is a cylindrical form and is provided with recessed grooves 15 radially formed on the inner surface.
    • 要解决的问题:通过防止绳索表面上的褶皱形式引起的弯曲现象并且保持与现有电缆的间隔而不损坏现有电缆并提供绳索的制造方法来提供用于延伸电缆的绳索。 解决方案:用于延伸电缆的绳索1被树脂3覆盖在通过铺设纤维获得的绳索2的外周表面上。 在绳索1中,树脂3的覆盖物具有周向设置在表面上的多个突出部分4。 用于制造用于延伸电缆的绳索1的方法包括覆盖通过用树脂3铺设纤维而制备的绳索2的外周表面。在该方法中,挤出机7的成型模具13用于覆盖 具有树脂3的绳索2是圆柱形的,并且在内表面上设置有径向形成的凹槽15。