F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/63
F16L 15/00 (2006.01) E21B 17/04 (2006.01) E21B 17/046 (2006.01) E21B 17/08 (2006.01) F16L 13/16 (2006.01)
Patent
CA 1112262
ABSTRACT IMPROVEMENTS IN AND RELATING TO PIPE CONNECTORS The present invention relates to improvements in pipe connectors particularly but not exclusively for use in the drilling and/or completion of off-shore oil and/or gas wells and of the type described in Canadian Patent Application 294,837. The pipe connector comprises a tubular pin member and a tubular box member telescopically engageable with the pin member, the members having corresponding fruto-conical surfaces which are provided with inter- engageable annular grooves and projections having planar root and crest surfaces lying on common frusto-conical surfaces having the same conicity as the frusto-conical surfaces of the pin and box members. In assembling the pin and box members, the end projections make metal- to-metal contact with the surfaces adjacent the corresponding grooves and the projections and grooves intermediate the end projections and grooves are of lesser axial dimensions and spacing than the end projections and grooves to produce a connector having a lesser axial extent than the connector of application 294,837.
338871
Hunting Oilfield Services (uk) Limited
Sim & Mcburney
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