Article with soft absorbent pulp sheet

A - Human Necessities – 61 – F

Patent

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A61F 13/15 (2006.01)

Patent

CA 2220186

The present invention provides a distinctive article which includes at least one absorbent, fibrous web layer which is substantially non-hydroentangled. The fibrous web layer can have a basis weight of at least about 60 gsm, and a density of not more than about 0.25 gm/cc. The fibrous web layer can further have a peak geometric mean tensile strength of at least about 250 grams-force per centimeter of width, and can have a fiber content in which at least about 90 wt.% of the fibers are composed of fibers having a fiber length of not more than about 0.4 inch (about 1 cm). In particular configurations, the article includes a backsheet layer, and a liquid permeable topsheet layer which is disposed in facing relation with the backsheet layer. An absorbent structure is interposed between the backsheet layer and the topsheet layer, and the absorbent structure has an overall absorbent capacity of at least about 300 grams of saline.

Cette invention concerne un article spécifique qui comprend au moins une couche de voile fibreux absorbant sensiblement non hydroemmêlé. La masse surfacique de la couche de voile fibreux peut être au moins égale à environ 60 g/m?2¿ et sa masse volumique ne peut excéder environ 0,25 g/cm?3¿. La couche de voile fibreux peut également posséder une résistance moyenne maximale à la rupture par traction d'au moins environ 250 grammes-force par centimètre de largeur, et une teneur en fibres dans laquelle au moins environ 90 % en poids des fibres sont constituées de fibres d'une longueur n'excédant pas 0,4 pouce environ (1 cm environ). Dans des configurations particulières, l'article de cette invention comprend une couche de feuille inférieure et une couche de feuille supérieure perméable au liquide, disposée en face de la couche inférieure. Une structure absorbante est intercalée entre les couches inférieure et supérieure, la capacité d'absorption totale de la structure absorbante étant au moins égale à environ 300 grammes de solution saline

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