Paper sheet with pillows

Details Paper sheet with pillows Paper sheet with pillows

D - Textiles, Paper

21

H

D21H 27/40 (2006.01) B31F 1/07 (2006.01)

Patent

CA 2406480

The invention relates to a paper sheet comprising at least two plies of creped cellulose wadding, an upper ply and a lower ply, each weighing between 10 and 40 g/m<2>. The upper ply is embossed and provided with first protuberances. The inventive paper sheet is characterised in that said first protuberances are distributed along lines, between which are defined cells having a surface area measuring between 1 and 20 cm<2>. The upper ply is longer in the machine direction than the lower ply by at least 0.6 % and the upper ply is linked to said lower ply at the top of the first protuberances in such a way that pillows form inside the cells.

La présente invention porte sur une feuille de papier constituée d'au moins deux plis d'ouate de cellulose crêpée, un pli supérieur et un pli inférieur, chacun de grammage compris entre 10 et 40 g/m2, dont le pli supérieur est gaufré et pourvu de premières protubérances. Elle est caractérisée en ce que les dites premières protubérances sont réparties selon des alignements qui délimitent entre eux des cellules de surface comprise entre 1 et 20 cm2, le pli supérieur étant plus long sens marche que le pli inférieur d'un moins 0,6 % et lié à lui par le sommet des premières protubérances de telle façon qu'il se forme des coussinets à l'intérieur des cellules.

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