发明名称 Pipe connectors
摘要 A pipe connector comprises a tubular pin member and a tubular box member which are telescopically engageable, the pin and box members having corresponding frusto-conical inner and outer peripheral surfaces respectively which peripheral surfaces are in contact when the members are engaged, the surfaces being provided with annular projection and groove means which are interengaged when the members are engaged to axially lock the members together.
申请公布号 US4298221(A) 申请公布日期 1981.11.03
申请号 US19780965095 申请日期 1978.11.30
申请人 HUNTING OILFIELD SERVICES (U.K.) LIMITED 发明人 MCGUGAN, JOHN D.
分类号 B23P11/02;E21B17/04;E21B17/046;E21B17/08;F16L13/16;F16L21/04;(IPC1-7):F16L25/00 主分类号 B23P11/02
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