发明名称 Pulling device for elongated articles
摘要 The present invention relates to an apparatus means for pulling an elongated article (3) through a curved tube (1),-such as the lower portion of a J-tube where the pulled end of the article is provided with a rigid installation head (2). The pulling apparatus includes a rod and ball device (5), the rod (6) being inserted through the ball (7) so that the rod extends from both sides of the ball,-one end (8) of the rod being attached to the head,-and the other end (9) of the rod being attached to a pulling wire (4).
申请公布号 US6193216(B1) 申请公布日期 2001.02.27
申请号 US19990233122 申请日期 1999.01.19
申请人 ALCATEL 发明人 HOLEN PETTER TOMAS;KARLSEN JAN ERIK
分类号 H02G1/08;(IPC1-7):E21C29/16 主分类号 H02G1/08
代理机构 代理人
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