F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 11/04 (2006.01) F16L 9/147 (2006.01) F16L 11/08 (2006.01) F16L 11/16 (2006.01)
Patent
CA 2382306
The present invention relates to a structure of a multilayer tube comprising at least one layer made of a composite material (2-8) consisting of reinforcing fibers embedded in a polymer matrix, at least one sealing sheath (1) made of a low-permeability polymer material. The tube further comprises a metal casing (9) interior to the sheath. In a variant, the casing is made of stapled steel tape (10).
La présente invention concerne une structure d'un tube multicouche comportant au moins une couche en matériau composite (2-8) constitué de fibres de renfort enrobées dans une matrice en polymère, au moins une gaine d'étanchéité (1) en matériau polymère peu perméable. Le tube comporte en outre une carcasse métallique (9) interne à la gaine. - Dans une variante, la carcasse est en feuillard agrafé (10).
Institut Francais Du Petrole
Robic
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