发明名称 Cement head quick connector.
摘要 <p>A coupling apparatus for quickly connecting a cement head to a well casing includes an upper body adapted to receive a cement head while engaging a casing and further includes a lower body to fit around the casing end. The upper and lower bodies form an annular space for housing split ring segments which engage the casing. The upper and lower bodies can be adjusted axially to accommodate a variety of casing ends.</p>
申请公布号 EP0670413(A2) 申请公布日期 1995.09.06
申请号 EP19950102785 申请日期 1995.02.27
申请人 FMC CORPORATION 发明人 BARRETT, STEPHEN P.;CRAWFORD, PAUL A.
分类号 E21B17/02;E21B17/08;E21B33/05;F16L37/00;(IPC1-7):E21B17/02;F16L37/084 主分类号 E21B17/02
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