B - Operations – Transporting – 29 – B
Patent
B - Operations, Transporting
29
B
B29B 15/12 (2006.01) B29C 70/52 (2006.01) D02G 3/44 (2006.01)
Patent
CA 2760971
The invention relates to producing threads that are suitable for further processing into textile fabrics and/or semi-finished products made from the threads, wherein the fabrics and products are characterized by high strength, simple numerical computability of mechanical load conditions and low resin consumption. To achieve this, the invention proposes a method for producing a thread which includes a plurality of individual filaments individually supported at a distance from one another and coated with a flowable resin which includes a solvent and can be crosslinked under the effect of at least one physical variable and/or one chemical substance. The coated individual filaments are subsequently compacted so that a composite is formed which includes the individual filaments and the resin continuously surrounding them and which is free of gas pockets. The solvent included in the resin is expelled from the composite during a drying process. Subsequently, the composite, presently a monofilament thread, is wound up in a non crosslinked state of the resin. All individual filaments are aligned unidirectionally during all steps of the method. The invention further relates to a device to perform the method and a monofilament thread produced with the device.
L'invention vise à fabriquer des fils pouvant être traités ultérieurement pour former des structures planes textiles et/ou des demis-produits fabriqués au moyen de ces fils, caractérisés par une grande résistance, une calculabilité numérique simple des états de contrainte mécaniques et une faible consommation de résine. A cet effet, l'invention concerne un procédé de fabrication d'un fil contenant une pluralité de monofilaments guidés à distances les uns des autres et revêtus d'une résine fluide contenant un solvant, pouvant être réticulée sous l'effet d'au moins une grandeur physique et/ou d'une substance chimique. Les monofilaments revêtus sont ensuite compactés de manière à former un composite constitué des monofilaments et d'une résine entourant les monofilaments de façon à les lier, exempt d'inclusions gazeuses. Au cours d'un processus de séchage, le solvant contenu dans la résine est expulsé du composite. Ensuite, le composite présent sous forme de fil monofilament est enroulé dans un état non réticulé de la résine. Tous les monofilaments sont maintenus en orientation unidirectionnelle au cours de l'ensemble des étapes du procédé. L'invention concerne également un dispositif pour la mise en oeuvre du procédé cité et un fil monofilament ainsi produit.
Knappe Faisal H.j.
Marks & Clerk
LandOfFree
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