Swaged pin end of pipe connection

Details Swaged pin end of pipe connection Swaged pin end of pipe connection

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 15/00 (2006.01) B21K 1/16 (2006.01)

Patent

CA 2217269

A swaged male element of a pipe connection of the type having a frusto-conical sealing surface adjacent to but separate from the load threads. The swaging is effected prior to final machining of the end of the pin and is followed by a cutting operation to remove surplus material from the interior surface of the pin. The swaging extends from the distal end of the pin proximally to include at least the distal end of the effective sealing surface, and preferably extends proximally to a point coinciding generally with the terminating proximal portion of the effective sealing area of the pin.

Elément mâle rétreint d'un raccord de tuyaux du type comportant deux surfaces d'étanchéité tronconiques voisines mais séparées des filets portant la charge. Le rétreint est réalisé avant l'usinage final de l'extrémité de l'élément mâle et est suivi d'une opération de coupe visant à éliminer le matériau excédentaire de la surface interne de l'élément mâle. Le rétreint va de l'extrémité distale de l'élément mâle de façon proximale pour inclure au moins l'extrémité distale de la surface d'étanchéité efficace, et s'étend de préférence de façon proximale jusqu'à un point coïncidant généralement avec la partie proximale terminale de la surface d'étanchéité efficace de la tige.

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