发明名称 IMPROVED GRIPPER FOR COILED TUBING INJECTORS
摘要 <p>The current invention relates to an improved gripper for use within a coiled tubing injector unit. The improved gripper comprises a carrier for securing the gripper to the chain drive mechanism of the coiled tubing injector unit and a gripping shoe carried by the carrier. The improved gripper provides a carrier and a gripping shoe designed to permit quick and easy removal and replacement of the gripping shoe in the field during operation of the coiled tubing injector unit.</p>
申请公布号 EP2470800(B1) 申请公布日期 2015.09.30
申请号 EP20100812654 申请日期 2010.08.27
申请人 SERVA GROUP LLC 发明人 MASCHEK, JOHNNIE, B.;LAMMONS, CARL, STEPHEN
分类号 E21B19/22;F16B21/02 主分类号 E21B19/22
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