F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/63
F16L 19/00 (2006.01) F16L 15/04 (2006.01) F16L 15/06 (2006.01) E21B 17/042 (2006.01)
Patent
CA 1194055
Abstract of the Disclosure A pipe joint in which a metal-to-metal seal is provided on the exterior of the pipe, a torque shoulder provides a further metal-to-metal seal and a still further seal is provided by a resilient ring. The box is protected against ballooning which might result in jump out of the threads by proportioning the thickness of the box at the point of seal at the maximum diameter of seal to the outer diameter of the box as compared to the full wall thickness of the pipe related to the outer diameter of the pipe.
424847
Grimmer George G.
Peterson James L.
Raulins George M.
Otis Engineering Corporation
Smart & Biggar
LandOfFree
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