D - Textiles – Paper – 01 – D
Patent
D - Textiles, Paper
01
D
D01D 5/08 (2006.01) C03B 37/02 (2006.01) C03B 37/03 (2006.01) D01D 5/16 (2006.01)
Patent
CA 2425222
The invention concerns a method for making a composite yarn comprising entangled continuous glass filaments and continuous filaments of thermoplastic organic material. The invention is characterised in that it consists in: separating the continuous glass filaments derived from a die (1) into several bundles (34a, 34b), separating the continuous organic thermoplastic material filaments derived from a spinning head (11) into several bundles (14a, 14b) and in injecting the thermoplastic filaments into each layer of glass filaments so as to blend them, the blended filaments being then assembled into at least a composite yarn (27). The invention also concerns a device for implementing said method.
La présente invention concerne un procédé de fabrication d'un fil composite comprenant des filaments continus de verre et des filaments continus de matière organique thermoplastique entremêlés. Selon l'invention, on sépare les filaments continus de verre issus d'une filière (1) en plusieurs nappes (34a, 34b), on sépare les filaments continus de matière organique thermoplastique issus d'une tête de filage (11) en plusieurs nappes (14a, 14b) et on projette les filaments thermoplastiques dans les filaments de verre afin de les mêler, à raison d'au moins une nappe de filaments thermoplastiques dans chaque nappe de filaments de verre, les filaments mêlés étant ensuite rassemblés en au moins un fil composite (27). L'invention propose également un dispositif permettant la mise en oeuvre du procédé.
Boissonnat Philippe
Richard Daniel
Goudreau Gage Dubuc
Saint-Gobain Vetrotex France S.a.
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