GRIPPER FOR TEST AND ISOLATION PLUGS

摘要

A gripper for a test or isolation plug (40) is provided. The gripper includes at least one gripper segment (54) having a pipe or tube confronting surface (70) with a plurality of separate rows of gripper teeth (72) longitudinally-spaced apart on the surface (70). Each of the separate rows of gripper teeth (72) comprising an alternating array of individual tips (80) and gaps (78) such that each row is serrated along its length.