Unitary fibrous structure comprising cellulosic and...

D - Textiles – Paper – 21 – H

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D21H 13/10 (2006.01) D04H 13/00 (2006.01) D21F 11/00 (2006.01) D21F 11/14 (2006.01)

Patent

CA 2514603

A unitary fibrous structure (100) comprises a plurality of cellulosic fibers (110) randomly distributed throughout the fibrous structure, and a plurality of synthetic fibers (120) distributed throughout the fibrous structure in a non-random repeating pattern. A process for making the unitary fibrous structure comprises the steps of providing an embryonic fibrous web (100) comprising a plurality of cellulosic fibers (110) randomly distributed throughout the fibrous web (100) and a plurality of synthetic fibers (120) randomly distributed throughout the fibrous web (100) and causing redistribution of at least a portion of the synthetic fibers (120) in the embryonic web (100) to form the unitary fibrous structure in which a substantial portion of the plurality of synthetic fibers (120) is distributed throughout the fibrous structure in a non-random repeating pattern.

l'invention concerne une structure fibreuse unitaire (100) comprenant une pluralité de fibres de cellulose (110) réparties de manière aléatoire dans la structure fibreuse, et une pluralité de fibres synthétiques (120) réparties dans la structure fibreuse selon un modèle de répétition non aléatoire. L'invention concerne en outre un procédé de fabrication de la structure fibreuse unitaire consistant à apporter une bande fibreuse embryonnaire (100) comprenant une pluralité de fibres de cellulose (110) réparties de manière aléatoire dans la bande fibreuse (100) et une pluralité de fibres synthétiques (120) distribuées de manière aléatoire dans la bande fibreuse (100) et provoquant la redistribution d'au moins une partie des fibres synthétiques (120) dans la bande embryonnaire (100) afin de former la structure fibreuse unitaire, dans laquelle une partie sensible de la pluralité de fibres synthétiques (120) est répartie dans la structure fibreuse selon un motif de répétition non aléatoire.

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