Method for producing pultruded components

B - Operations – Transporting – 29 – C

Patent

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B29C 70/52 (2006.01) B29B 15/12 (2006.01)

Patent

CA 2628935

A method for producing a pultruded component (50) includes providing a plurality of fiber tows (110) each formed of a plurality of fibers. The method also includes providing a first chamber (154) and a second chamber (156) for wetting the plurality of fiber tows (110) with a polymeric resin precursor (141). The method further includes pulling the plurality of fiber tows (110) through a first chamber (154) to wet their exterior surfaces with the polymeric resin precursor (141), pulling the plurality of fiber tows (110) through a second chamber (156) to wet the plurality of fibers within each tow, and pulling the wetted plurality of tows (110) and fibers through a curing die (160) to form the pultruded component (50).

Cette invention concerne un procédé de fabrication d'un élément pultrudé (50) à partir d'une pluralité de filaments (110) constitué chacun d'une pluralité de fibres. Ce procédé repose sur l'emploi d'une première chambre (154) et d'une seconde chambre (156) pour le mouillage de la pluralité de filaments (110) au moyen d'un précurseur de résine polymère (141). Le procédé consiste à tirer la pluralité de filaments (110) à travers la première chambre (154) pour mouiller leurs surfaces extérieures avec le précurseur de résine polymère (141), puis à travers la seconde chambre (156) pour mouiller la pluralité de fibres dans chaque filament, et de tirer la pluralité de filaments (110) et de fibres après mouillage à travers une filière de durcissement (160) pour former un élément pultrudé (50).

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