发明名称 TUBULAR JOINT
摘要 Disclosed is a threaded pipe connection. The connection includes tubular externally threaded male members and a tubular internally threaded female coupling threadedly engaged with the male members. The male members include a continuous thread having a first preferably straight portion and a second tapered portion. The thread includes a form having stabbing and load blanks and an axially extending crest and root. Throughout the thread, lead as measured along the load flanks is constant and the length of the crest and depth of the load flanks are constant.
申请公布号 GB2138905(B) 申请公布日期 1987.01.28
申请号 GB19840008721 申请日期 1984.04.04
申请人 ROBERT ALAN * AXFORD;EDGAR CHARLES * WOOD;HERBERT FRANK * BRANDANA 发明人 ROBERT ALAN * AXFORD;EDGAR CHARLES * WOOD;HERBERT FRANK * BRANDANA
分类号 E21B17/042;F16L15/00;F16L58/18 主分类号 E21B17/042
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