E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/042 (2006.01) F16L 15/04 (2006.01)
Patent
CA 2716586
A threaded joint (1) comprises a first seal ring (30) having a tapered shape in a cross section on an axial plane, this ring having an L-shaped metal reinforcement ring (34) embedded in it, and/ a second seal ring (6) positioned more internal to the first seal ring (30) and located in a housing (18) between the end of a threaded section (5) and the nose (15) of the box. The second seal ring (6) has a first base, a second base axially opposite to the first base, and protruding annular ribs either on the external surface or on an internal surface.
La présente invention concerne un joint fileté (1) comprenant un premier anneau détanchéité (30) doté dune forme conique en coupe dans un plan axial, cet anneau comprenant un anneau de renforcement métallique en forme de L (34) imbriqué dans celui-ci, et un second anneau détanchéité (6) positionné plus à lintérieur par rapport au premier anneau détanchéité (30) et placé dans un logement (18) entre lextrémité dune section filetée (5) et le nez (15) de la boîte. Le second anneau détanchéité (6) possède une première base, une seconde base à lopposé dans le plan axial à la première base, et des ailettes annulaires protubérantes sur la surface externe ou sur une surface interne.
Mazzaferro Gaston
Quiroga Alfredo Francisco
Santi Nestor J.
Borden Ladner Gervais Llp
Tenaris Connections Limited
LandOfFree
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