发明名称 UNIVERSAL PIPE THREAD PROTECTOR
摘要 <p>A protector for protecting a helical thread of a pipe comprises a body. The body has a central axis, an upper end comprising a base, a lower end opposite the upper end, and an annular connecting member extending axially from the base to the lower end. The connecting member comprising a radially inner surface and a radially outer surface. The connecting member comprises a helical thread extending radially inward from the radially inner surface or radially outward from the radially outer surface. The helical thread comprises a convex profile that is different than a thread profile of the thread of the pipe.</p>
申请公布号 EP2748405(A2) 申请公布日期 2014.07.02
申请号 EP20120825513 申请日期 2012.08.17
申请人 DRILLTEC PATENTS&TECHNOLOGIES CORPORATION 发明人 CLEM, DAVID, W.;LENDERMON, JEFFREY, D.;BAKER, BRYAN, C.
分类号 E21B19/16;B65D59/02;B65D59/06;E21B17/042;E21B33/12 主分类号 E21B19/16
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