Absorbent multilayer sheet and method for making same

Details Absorbent multilayer sheet and method for making same Absorbent multilayer sheet and method for making same

D - Textiles, Paper

21

H

D21H 27/40 (2006.01) B31F 1/07 (2006.01) B32B 3/28 (2006.01) B32B 29/00 (2006.01)

Patent

CA 2201633

A multilayer absorbent sheet (10) with two or more layers (12, 14) each comprising at least one embossed sheet (16, 18, 20) of absorbent crepe paper, with an outer surface forming the outer surface of the multilayer sheet and an inner surface, the inner surface of the first layer (12) having first (22) and second (24) projections, and the inner surface of the second layer (14) having third projections (26) engaged between the projections (22, 24) of the first layer, the two layers (12, 14) being bonded together. The first layer (12) comprises a dual sheet including an inner sheet (16) with an inner surface bearing first (22A) and second (24A) projections; and an outer sheet (18) with an inner surface bearing first (22B) and second (24B) projections. The apexes of projections (22A) and (22B) are bonded together, but those of projections (24A) and (24B) are not.

L'invention concerne une feuille multicouche (10) absorbante à au moins deux couches (12, 14) constituées chacune d'au moins une feuille (16, 18, 20) gaufrée de papier absorbant crêpé, avec une face externe formant la face externe de la feuille multicouche et une face interne, la face interne de la première couche (12) comportant des premières (22) et des deuxièmes (24) protubérances, et la face interne de la deuxième couche (14) comportant des troisièmes protubérances (26) imbriquées entre les protubérances (22, 24) de la première couche, les deux couches (12, 14) étant liées entre elles, caractérisées en ce que la première couche (12) est une feuille double constituée par: une feuille intérieure (16) dont la face interne comporte des premières (22A) et des deuxièmes (24A) protubérances; et une feuille extérieure (18) dont la face interne comporte des premières protubérances (22B), des secondes protubérances (24B). Les sommets des protubérances (22A et 22B) sont liés entre eux mais pas ceux des protubérances (24A et 24B).

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