F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 15/04 (2006.01) E21B 17/042 (2006.01) F16L 17/10 (2006.01)
Patent
CA 2685398
A threaded joint comprises one or a pair of seal rings (11, 11') having a frustoconical section with one or more annular ribs (9) protruding from its internal surface, and located in a portion of the pin surface after the end of the threaded section of the pin (3) in tight sealing contact with an internal surface of an annular groove (10) of the box (2) by means of its external cylindrical surface (25) and in tight sealing contact with an external surface of the pin (3) by means of its annular ribs (9). The threaded joint has hydraulic actuating means to pressurize the seal ring (11) against said pin, to provide improved sealability of the joint.
L'invention concerne un joint fileté comprenant une paire de bagues d'étanchéité (11, 11') ayant une section frustoconique ayant une ou plusieurs nervures annulaires (9) faisant saillie à partir de sa surface interne, et située dans une partie de la surface de broche, après l'extrémité de la partie filetée de la broche (3), en contact d'étanchéité étroit avec une surface interne d'une rainure annulaire (10) de la boîte (2) au moyen de sa surface cylindrique externe (25) et en contact d'étanchéité étroit avec une surface externe de la broche (3) au moyen de ses nervures annulaires (9). Le joint fileté a des moyens d'actionnement hydrauliques pour pressuriser la bague d'étanchéité (11) contre ladite broche pour fournir une étanchéité améliorée du joint.
Mazzaferro Gaston
Quiroga Alfredo
Santi Nestor J.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Tenaris Connections Ag
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