Process for realizing a fiber reinforcement for a composite...

B - Operations – Transporting – 32 – B

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B32B 7/08 (2006.01) B29D 99/00 (2010.01) B29C 70/24 (2006.01) B29C 70/30 (2006.01) B29C 70/34 (2006.01) B29C 70/54 (2006.01) D04H 1/00 (2006.01) D04H 3/07 (2006.01) B29D 31/00 (2006.01)

Patent

CA 2089209

- Procédé pour la réalisation d'une armature fibreuse (1) pour une pièce de matière composite comportant un panneau pourvu d'une nervure. - Selon l'invention, on introduit, à travers la face du premier élément fibreux (2) opposée au second élément fibreux (3) et par piquage sans nouage d'un fil continu (4) à l'aide d'une aiguille (33,40), des fibres trans- versales (4A) sur toute l'étendue dudit premier élément fibreux (2), de telle façon que lesdites fibres trans- versales (4A), qui se trouvent en regard de l'aile d'appui (3A) dudit second élément fibreux (3), forment des points de piqûre (4B) solidarisant lesdits premier et second éléments fibreux et que certaines (4A1) desdites fibres transversales (4A) se trouvent à l'aplomb de l'aile de raidissement (3B) dudit second élément fibreux (3). - Réalisation de pièces composites du type tôlerie d'aviation.

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