D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 11/02 (2006.01) B31F 1/12 (2006.01) D21H 11/20 (2006.01)
Patent
CA 2559526
An absorbent sheet of cellulosic fibers includes a mixture of hardwood fibers and softwood fibers arranged in a reticulum having: (i) a plurality of pileated fiber enriched regions of relatively high local basis weight interconnected by way of (ii) a plurality of lower local basis weight linking regions whose fiber orientation is biased along the machine direction between pileated regions interconnected thereby, wherein the sheet exhibits a % CD stretch which is at least about 2.75 times the dry tensile ratio of the sheet. Tensile ratios of from about 0.4 to about 4 are readily achieved.
La présente invention concerne une feuille absorbante en fibres cellulosiques, comprenant un mélange de fibres de bois dur et de fibres de bois tendre disposées en réseau, comprenant: (i) une pluralité de zones enrichies en fibres coiffées ayant un poids de base local relativement élevé, interconnectées au moyen d'une pluralité (ii) de zones de liaison à poids de base local inférieur dont l'orientation de fibres est imposée dans la direction machine entre les zones à fibres coiffées qu'elles interconnectent. Selon l'invention, la feuille a une extensibilité en sens travers en % qui vaut au moins environ 2,75 fois le rapport de traction à sec de la feuille. Des rapports de traction d'environ 0,4 à environ 4, peuvent être facilement obtenus.
Edwards Steven L.
Mccullough Stephen J.
Fort James Corporation
Georgia-Pacific Consumer Products Lp
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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