F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/62
F16L 21/00 (2006.01)
Patent
CA 1176283
ABSTRACT A connector for connecting the abutted end portions of two pipes comprises a split ring having a pair of radially inwardly extending surfaces directed towards each other and each for engagement with a radially outwardly extending surface on a respective pipe end portion, the surfaces on the pipe end portions being directed away from the respective pipe ends. The connector includes operating means for causing radial expansion of the ring to disengage the ring from one of the pipes, the ring remaining engaged with the other pipe. To this end the corresponding surfaces on the ring and the other pipe end portion may have a greater radial extent than the surfaces on the ring and the one pipe, so that the former surfaces remain engaged for all conditions of use of the connector. The connector may be engaged with the other pipe end portion either by operation of the operating means or automatically by suitably shaping the surfaces of the ring and the other pipe end portion which are initially brought into contact. The connector is particularly suited for connecting the pipe sections of a pipe string for use in the drilling and/or completion of offshore oil or gas wells, particularly where the pipe string is to be subject to high axial load for example in pile driving.
396139
Oil States Industries (uk) Ltd.
Sim & Mcburney
LandOfFree
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