System for producing pultruded components

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 70/52 (2006.01)

Patent

CA 2628938

A system (100) for producing a pultruded component (50) includes an impregnation die (150) for wetting yarns (110) of fiber with a polymeric resin precursor (141). The die (150) includes a first chamber (154) for coating external surfaces of the yarns (110) and a second chamber (156) for coating fibers within the yarns (110). The second chamber (156) has a cross-sectional area that decreases between an entrance to the second chamber (156) and an exit from the second chamber (156). The system (100) also includes a member (151) for spacing the yarns (110) apart prior to entering the first chamber (154) to allow the polymeric resin precursor (141) to flow around the external surfaces of the yarns (110).

Cette invention concerne un système (100) de fabrication d'éléments pultrudés (50), comprenant une matrice d'imprégnation (150) pour le mouillage de filaments (110) au moyen d'un précurseur de résine polymère (141). La matrice (150) comprend une première chambre (154) pour l'enrobage des surfaces extérieures des filaments (110) et une seconde chambre (156) pour l'enrobage des fibres à l'intérieur des filaments (110). Vue en coupe, la seconde chambre (156) présente une section qui va en diminuant entre son entrée et sa sortie. Le système (100) comprend également un élément (151) permettant de séparer les filaments (110) les uns des autres avant leur entrée dans la première chambre (154), ce qui permet au précurseur de résine polymère (141) de s'écouler autour des surfaces extérieures desdits filaments.

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