F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 33/02 (2006.01) F16L 33/035 (2006.01)
Patent
CA 2654254
A threaded connection includes a pin member providing a single external thread comprising a first external portion and a second external portion, a box member providing a single internal thread comprising a first internal portion and a second internal portion, and a radial metal-to-metal seal to seal between the pin member and the box member, wherein the first and second internal portions threadably correspond with the first and second external portions, and wherein the first internal and external portions are characterized by a first wedge ratio and the second internal and external portions are characterized by a second wedge ratio, wherein the first wedge ratio is less than the second wedge ratio.
Un raccord fileté comprend un élément de broche présentant un seul filetage externe constitué d'une première partie externe et d'une seconde partie externe, un élément de douille présentant un seul taraudage interne constitué d'une première partie interne et d'une seconde partie interne, et une jonction radiale métal-sur-métal visant à assurer l'étanchéité entre l'élément de broche et l'élément de douille, les première et seconde parties internes coopérant par vissage avec les première et seconde parties externes, et les premières parties internes et externes se caractérisant par un premier rapport de coincement, et les secondes parties internes et externes se caractérisant par un second rapport de coincement, le premier rapport de coincement étant inférieur au second rapport de coincement.
Mallis David Llewellyn
Reynolds Harris A. Jr.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hydril Company
LandOfFree
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