发明名称 Insert for use in a gripping apparatus and method of manufacture
摘要 An insert for use in a gripping assembly is disclosed. The insert includes a base member having a plurality of gripping teeth. The teeth are arranged in at least two substantially adjacent rows, where at least one row of teeth is offset or staggered longitudinally from an immediately adjacent row of teeth. When the teeth engage a cylindrical member, a resistance profile is created that is substantially continuous and does not oscillate over a length of the insert approaching 100% of the length of the entire insert.
申请公布号 GB0321346(D0) 申请公布日期 2003.10.15
申请号 GB20030021346 申请日期 2003.09.11
申请人 NATIONAL-OILWELL, L.P. 发明人
分类号 B25B5/14;B25B5/16;B25B13/50;E21B19/16 主分类号 B25B5/14
代理机构 代理人
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