Composite tubular parts with complex shapes

Details Composite tubular parts with complex shapes Composite tubular parts with complex shapes

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 9/133 (2006.01) B29C 67/00 (2006.01) F16L 9/19 (2006.01)

Patent

CA 2751376

The invention relates to a tubular part with a complex geometrical shape, said tubular part being made of a composite material including, on the one hand, a core part made of a very high-temperature resin obtained by a 3-D direct-creation method using a very high-temperature thermoplastic resin and, on the other hand, a coating of resin-impregnated fibres. The part comprises, for example, at least one internal separation of the tube into several conduits that do not communicate with one another. The part is suitable for conveying air flows in opposite or separate directions. One of the conduits can be a dedicated cable raceway.

L'invention vise une pièce tubulaire de forme géométrique complexe, ladite pièce tubulaire étant réalisée en matériau composite comprenant, d'une part, une pièce noyau en résine très haute température obtenue par procédé de création directe 3D utilisant une résine thermoplastique très haute température, et, d'autre part, un enrobage de fibres imprégnées de résine. La pièce comporte par exemple au moins une séparation interne du tube en plusieurs conduits ne communicants pas entre eux. Des flux d'air de sens opposés ou indépendants peuvent être véhiculés par la pièce. L'un des conduits peut être dédié au passage de câbles.

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