F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 11/08 (2006.01) F16L 11/12 (2006.01) F16L 55/04 (2006.01)
Patent
CA 2528354
The invention relates to a flexible tubular duct for the transport of hydrocarbons in particular in the gaseous state. Said duct is of the type comprising at least one carcass (2), an internal pressure lining (3) and one or several layers of reinforcement. The carcass (2) forming the innermost structural element of the duct is made by the rolling of a strip (7) or shaped wire in a welted spiral, the spirals of the carcass (2) covered internally with a perforated layer, for prevention of turbulence in the hydrocarbons flowing in the duct and to avoid associated resonant phenomena.
Dans cette conduite tubulaire flexible pour le transport d'hydrocarbures, notamment gazeux, la conduite est du type comportant au moins une carcasse (2), une gaine de pression interne (3) et une ou plusieurs nappes d'armure et dont la carcasse (2), formant l'élément de structure le plus interne de la conduite, est constituée par l'enroulement en spires agrafées d'un feuillard (7) ou d'un fil de forme ; les spires de la carcasse (2) sont recouvertes intérieurement d'une gaine percée de trous, destinée à s'opposer au turbulences de l'hydrocarbure circulant dans la conduite et à éviter les phénomènes de résonance associés.
Norton Rose Canada S.e.n.c.r.l.,s.r.l./llp
Technip France
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