Composite tube production

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 70/06 (2006.01) B29C 33/04 (2006.01) B29C 41/46 (2006.01) B29D 23/00 (2006.01)

Patent

CA 2601843

An apparatus for producing tubes formed from fibre reinforced composite material, the apparatus including: an elongate hollow mandrel (3) having an internal mandrel cavity (5), the mandrel having an external surface (7) upon which reinforcing fibre materia (9) can be wrapped to provide a composite lay- up (10) supported thereon; and fluid flow means (11 ) for enabling heat transfer fluid of different temperatures to be circulated through the mandrel cavity (5), such that when fluid at an elevated temperature is circulated, heat is transferred from the fluid, through the mandrel (3) to the composite lay-up (10) for curing or forming said lay-up.

La présente invention concerne un appareil de production de tubes formés à partir de matériau composite renforcé par des fibres, l'appareil comprenant: un mandrin creux oblong (3) comportant une cavité de mandrin interne (5), le mandrin possédant une surface externe (7) sur laquelle un matériau de fibres de renforcement (9) peut être enroulé pour former un composite constitué d'une superposition de couches (10) supportées sur celui-ci; et des moyens d'écoulement de fluide (11 ) pour permettre à un fluide de transfert de chaleur à différentes températures de circuler à travers la cavité de mandrin (5), de sorte que lorsque le fluide à une température élevé circule, la chaleur est transférée à partir du fluide, à travers le mandrin (3) à la superposition de couches (10) pour sécher ou façonner cette dernière.

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