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 17/042 (2006.01) F16L 15/06 (2006.01)
Patent
CA 1264783
ABSTRACT OF THE DISCLOSURE: A thread form for a tubular connection has a pin member adapted to be made up with a box member to form a pipe joint. The pin member has pin threads with thread crests and thread roots which are adapted to be made up with a mating box member having a complementary thread structure. The pin thread crests are formed between a stab flank and a load flank of the pin thread. The pin thread has a chevron- shaped load flank for engaging a mating chevron-shaped load flank of the complimentary box member to provide a chevron type interfit between the load bearing flanks. The load flanks of the pin member includes an outer wall portion with a positive slope which provides additional clearance between the complementary threads on the pin and box members during disassembly to prevent inadvertent hanging-up of the threads.
470894
Hunting Oilfield Services Inc.
Robic Robic & Associes/associates
LandOfFree
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