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    POLYMER BUSHING INSULATOR AND CABLE TERMINATING CONNECTION PART USING THE POLYMER BUSHING INSULATOR
    2.
    发明公开
    POLYMER BUSHING INSULATOR AND CABLE TERMINATING CONNECTION PART USING THE POLYMER BUSHING INSULATOR 有权
    聚合物实施隔离器和电缆连接器有聚合物隔离器实现

    公开(公告)号：EP2161805A4

    公开(公告)日：2011-08-10

    申请号：EP08764114

    申请日：2008-06-13

    申请人： SWCC SHOWA CABLE SYS CO LTD

    发明人： ADACHI KAZUHISA ,  SEMA NOBUYUKI ,  SHINTATE HITOSHI ,  OGISHIMA MIYUKI ,  SHINAGAWA JUNICHI

    IPC分类号： H02G15/02 ,  H01B17/00 ,  H02G15/064

    CPC分类号： H02G15/064 ,  H01B17/42

    摘要： The prevention to the large scale of the polymer bushing is performer and the attempt to the high voltage of the operating voltage is performed. A polymer bushing 1 of this invention is provided with a conductor bar 2 which is centrally arranged and has a conductor insertion hole 2a at a lower end part, a rigid insulator 3 which is provided at the outer circumference of the conductor bar 2 and has a receiving port 31a for a cable termination 7, and a polymer covering 4 which is provided at the outer circumference of the insulator 3 and that a number of shades 4a are formed separately along the longer direction at the outer circumference. Besides, a large diameter part 33 is provided at the upper part than the conductor insertion hole 2a in the neighborhood of the lower end part of the insulator 3. And, a cylindrical shielding metal fitting 6 is concentrically embedded together with the conductor bar 2 at the aforementioned large diameter part 33. Further, an electric-field stress-control layer 5 is provided at the interface between the aforementioned large diameter part 33 and the polymer covering 4.