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公开(公告)号:US06684737B1
公开(公告)日:2004-02-03
申请号:US09890314
申请日:2002-01-04
IPC分类号: B25B1350
CPC分类号: E21B19/164
摘要: This invention relates to a rotary and a method for facilitating the connection of pipes, and more particularly, but not exclusively, to a rotary for a powered drill pipe tong for facilitating the connection of sections or strands of drill pipe to a string of drill pipe.
摘要翻译: 本发明涉及一种用于促进管道连接的旋转和方法,更具体地但不排他地涉及一种用于动力钻管钳的旋转件,用于有助于将钻杆的部分或多股连接到钻杆系列 。
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公开(公告)号:US06598501B1
公开(公告)日:2003-07-29
申请号:US09890194
申请日:2001-07-26
IPC分类号: B25B1700
CPC分类号: E21B19/16
摘要: An apparatus for facilitating the connection of pipes which apparatus comprises a rotary (1) and jaws (20, 21, 22), characterised in that all of said jaws (20, 21, 22) are active and are actuable by pressurised fluid.
摘要翻译: 一种用于促进管道连接的装置,该装置包括旋转件(1)和夹爪(20,21,22),其特征在于,所有所述夹爪(20,21,22)都是有效的,并且可由加压流体致动。
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