Apparatus and method for close tolerance forming of areas in...

B - Operations – Transporting – 29 – C

Patent

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B29C 70/44 (2006.01) B29C 70/54 (2006.01)

Patent

CA 2665194

An apparatus and method for forming a fibre reinforced resin composite component by a resin transfer infusion (RTI) process in which a preform (13) is laid up on a hard base tool (11) and a bagging blanket (14) is applied as flexible upper tooling. Edge and/or other regions of the preform (13) are superimposed by localised control plates (19) which, together with spacer pins (20) passing through the preform (13) serve to determine localised dimensional accuracy in the component without the need for hard upper tooling throughout.

L'invention concerne un appareil et un procédé de formation d'un composant composite en résine renforcé par fibres, par le biais d'un processus d'infusion par transfert de résine (RTI) au cours duquel une préforme (13) est disposée sur un outil de base dur (11) et une couverture d'ensachage (14) est appliquée comme outillage supérieur flexible. Le bord et/ou d'autres parties de la préforme (13) sont superposés par des plaques de commande localisée (19) qui, associées à des tiges d'espacement (20) traversant la préforme (13), permettent de déterminer la précision dimensionnelle localisée dans le composant, sans qu'il soit nécessaire d'utiliser d'outillage supérieur dur au cours du processus.

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