Method for producing structures from composite materials,...

B - Operations – Transporting – 29 – D

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B29D 99/00 (2010.01) B29C 65/00 (2006.01) B29C 70/86 (2006.01)

Patent

CA 2635363

The invention relates to a method for producing structures from composite materials, which are formed by two sub-components of the same material. The invention is characterised in that it comprises the following steps consisting in: obtaining a first sub-component (13), in particular a skin; obtaining a tool (15) which is made from a composite material in the precured state and which is used to produce the second sub-component (17), in particular a stiffener; positioning the tool (15) on the first sub-component (13); applying the pre-impregnated composite material (21) against the tool (15) in order to form the second sub-component (17); and strengthening the structure using a process consisting in curing the assembly that was produced during the previous steps under suitable pressure and/or temperature conditions.

L'invention concerne un procédé de fabrication de structures de matériaux composés formées de deux sous-composants du même matériau, se caractérisant par les étapes suivantes: l'utilisation d'un premier sous-composant (13), en particulier une peau; l'utilisation d'un outil (15) formé à partir d'un matériau composé et à l'état pré-séché pour la fabrication du second sous-composant (17), en particulier un élément de renforcement de la rigidité; le positionnement dudit outil (15) sur ledit premier sous-composant (13); l'application d'un matériau composé pré-imprégné (21) sur ledit outil (15) pour former le second sous-composant (17); la consolidation de la structure de matériau composé au moyen d'un processus de séchage de l'ensemble obtenu dans les étapes antérieures dans des conditions appropriées de pression et/ou de température.

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