Non-woven tablecloth formed with very thin endless threads

Details Non-woven tablecloth formed with very thin endless threads Non-woven tablecloth formed with very thin endless threads

D - Textiles, Paper

04

H

D04H 3/00 (2006.01) D01F 8/06 (2006.01) D01F 8/12 (2006.01) D01F 8/14 (2006.01) D04H 1/54 (2006.01) D04H 3/02 (2006.01) D04H 3/10 (2006.01) D04H 13/00 (2006.01) D06N 3/00 (2006.01)

Patent

CA 2208117

The present invention relates to a non-woven cloth formed of very fine filaments. Non-woven cloth formed of continuous filaments, crimped or straight, produced by a technique of direct control spinning, having a grammage of between 5 g/m2 and 600 g/m2, and formed, after picking, of composite filaments divisible lengthwise, distinguished in that the composite filaments demonstrate a gauge between 0.3 dTex and 10 dTex and are each formed by at least three single filaments of at least two different materials and include between them at least one separation or cleavage plane, each single thread demonstrating a gauge between 0.005 dTex and 2 dTex, with the relation between the transversal section of each single filament and the total surface of the transversal section of the composite filament being between 0.5% and 90%.

-25- La présente invention a pour objet une nappe nontissée formée de filaments très fins Nappe nontissée de filaments continus, frisés ou non, obtenue au moyen d'un procédé de filage direct contrôlé. présentant un grammage compris entre S g/m2 et 600 g/m2 et formée. après nappage, de filaments composites séparables dans le sens de leur longueur, caractérisée en ce que lesdits filaments composites présentent un titre compris entre 0,3 dTex et 10 dTex et sont formés,chacun, par au moins trois filaments élémentaires en au moins deux matériaux différents et comprenant entre eux au moins un plan de séparation ou de clivage,chaque filament élémentaire présentant un titre compris entre 0,005 dTex et 2 dTex et le rapport entre la surface de la section transversale de chaque filament élémentaire et la surface totale de la section transversale du filament unitaire étant compris entre 0,5 % et 90 %

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