Pultruded part and method of preparing a reinforcement mat...

Details Pultruded part and method of preparing a reinforcement mat... Pultruded part and method of preparing a reinforcement mat...

B - Operations, Transporting

29

C

B29C 70/52 (2006.01)

Patent

CA 2377744

A method of pultrusion includes collating an assembly of substantially longitudinally continuous fibrous elements (126, 18', 18") and a resin from a bath (132, 122), pulling the elements (126, 18', 18") and the resin through a die (54) to shape the elements and to effect setting of the resin, where one of the elements is a mat (18a) specially designed to transport primarily transverse fibers (32) into the part (10). The mat has a first layer (34) containing a plurality of glass fibers (32) which extend substantially transversely of the mat (18a) so as to be arranged in the part (10) to provide strength to the part (10) primarily in the transverse direction.

L'invention porte sur un procédé d'extrusion par étirage qui consiste à regrouper un ensemble d'éléments fibreux (126, 18', 18'') continus, longitudinaux et une résine à partir d'un bain (132, 122), étirer les éléments (126, 18', 18'') et la résine dans une matrice (54) de façon à façonner les éléments et solidifier la résine. L'un des éléments est un mat (18a) conçu pour amener à la base des fibres (32) transversales dans la pièce (10). Le mat comporte une première couche (34) contenant une pluralité de fibres de verre (32) qui s'étendent pratiquement transversalement dans le mat (18a) de façon à pouvoir être disposées dans la pièce (10) et lui conférer à la base une résistance dans le sens transversal.

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