发明名称 PIPE CONSTRUCTION
摘要 A tensile stress resistant pipe connection comprising two male pipes and a sleeve with two conically tapering recesses, sealing means at the ends of the sleeve and coupling means situated in said recess, the free end of one male pipe in the recesses being provided with left hand screw thread, a free end of the other one with right hand screw thread of about the same pitch.
申请公布号 US3692336(A) 申请公布日期 1972.09.19
申请号 USD3692336 申请日期 1970.10.27
申请人 IND. ONDERNEMING WAVIN NV. 发明人 CORNELIS VAN ZON
分类号 F16L15/08;F16L21/02;F16L37/092;(IPC1-7):F16L21/08 主分类号 F16L15/08
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