Pipe joints or couplings – Particular interface – Tapered
Patent
1986-10-29
1987-09-29
Arola, Dave W.
Pipe joints or couplings
Particular interface
Tapered
285351, 285383, F16L 2500
Patent
active
046964983
ABSTRACT:
A connection for well tubular goods including a male member, a female member, each having a double set of steep tapered hook threads, two internal pressure seals including a compressible primary metal-to-metal seal and a supplementary seal made up of a resilient corrosion resistant material and additionally, a primary resilient corrosion resistant external pressure seal, and a reverse shoulder engagement between the end of the male member and a shoulder on the female member to hold the primary metal sealing surfaces in sealing engagement.
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Arola Dave W.
Quanex Corporation
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