D - Textiles – Paper – 04 – H
Patent
D - Textiles, Paper
04
H
D04H 3/14 (2006.01)
Patent
CA 2505192
The present invention provides a nonwoven fabric that is especially engineered to function as the substrate for a dryer activated fabric softener sheet. The substrate has a basis weight of 0.48 ounces per square yard or less, a thickness of from about 0.16 mm to about 0.38 mm, and comprises a nonwoven web of fibers, wherein at least some of the fibers are hollow. Preferably the fibers have a size of 2.2 to 8.9 decitex. (2 to 8 denier). In preferred embodiments of the invention, the hollow fibers have a void area at least 10 percent of the fiber cross-section, and the fibers have a noncircular trilobal cross-section.
L'invention concerne un textile non tissé spécialement conçu pour fonctionner comme substrat pour une feuille d'adoucissant activée par sèche-linge. Le substrat a une masse surfacique de 0,48 onces par yard carré ou moins, une épaisseur d'environ 0,16 mm à environ 0,38 mm et comprend une toile de fibres non tissée, certaines fibres au moins étant creuses. Les fibres ont de préférence une taille comprises entre 2,2 et 8,9 décitex (2 à 8 deniers). Selon certains modes de réalisation préférés de l'invention, les fibres creuses ont une zone vide d'au moins 10 % de leur section transversale et elles ont une section transversale trilobée non circulaire.
Fiberweb Inc.
Reemay Inc.
Sim & Mcburney
LandOfFree
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