发明名称 Pipe Thread Protector
摘要 A protector for protecting a pipe thread having a thread pitch P1 has a central axis, a first end, second end opposite the first end, and comprises a base at the first end. In addition, the protector comprises an annular connecting member extending axially from the base to the second end. The connecting member has a radially inner surface and a radially outer surface. The connecting member also includes a helical thread extending radially outward from the radially inner surface or radially inward from the radially outer surface. The helical thread has a thread pitch P2 that is greater than the thread pitch P1 of the pipe thread.
申请公布号 US2011265904(A1) 申请公布日期 2011.11.03
申请号 US201113099508 申请日期 2011.05.03
申请人 DRILLTEC PATENTS & TECHNOLOGIES CORPORATION 发明人 BAKER BRYAN C.;CLEM DAVID W.;LENDERMON JEFFREY D.
分类号 B65D59/06;B23P19/00 主分类号 B65D59/06
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