Method for manufacturing a composite fibre component using a...

B - Operations – Transporting – 29 – C

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B29C 33/48 (2006.01)

Patent

CA 2651498

Method for manufacturing a composite fibre component (1) the method comprising the following method steps: forming a moulding core (4) comprising a hollow profile (15) made of segments (16a... d) in order to establish an external geometry of the moulding core (4), wherein the segments (16a.., d) of the moulding core (4) each extend in the direction of the longitudinal axis of the moulding core (4) and are each constructed so as to be pivotable about an axis running in the longitudinal direction of the moulding core (4), between a folded position (A).and an unfolded position (B) of the hollow profile (15) of the moulding core (4), wherein the segments (16a... d) are constructed so as to be coupled to one another via connections (18a... d, 19a... c) in one piece in order to form the hollow profile (15); at least one fibre semifinished product (3) is positioned at least in certain sections on the constructed moulding core (4) in order to shape at least one moulded section (14) of the composite fibre component (1) to be manufactured; and heat and/or pressure is applied to the at least one moulded section (14) in order to manufacture the composite fibre component (1).

L'invention concerne un procédé destiné à la fabrication d'un élément composite à fibres (1), consistant à former un noyau de moulage (4) possédant un profilé creux (15) composé de segments (16a... d), afin d'établir la forme externe du noyau de moulage (4). Ces segments (16a... d) du noyau de moulage (4) s'étendent parallèlement à l'axe longitudinal du noyau de moulage (4) et sont tous conçus pour pouvoir pivoter autour d'un axe parallèle au noyau de moulage (4) et pour faire passer le profilé creux (15) du noyau de moulage (4) d'une position repliée (A) à une position dépliée (B) et inversement. Les segments (16a... d) sont conçus pour être couplés les uns aux autres par l'intermédiaire d'éléments de connexion (18a... d, 19a... c) en une seule pièce afin de former le profilé creux (15). Au moins un produit semi-fini en fibres (3) est disposé au moins dans certaines sections du noyau de moulage (4) construit afin de donner une forme à au moins une section moulée (14) de l'élément composite à fibres (1) à fabriquer. Ensuite, ladite section de moulage est exposée à de la chaleur et/ou à de la pression pour obtenir l'élément composite à fibres (1).

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