Roll made up of cellulose wadding sheets, and associated...

Details Roll made up of cellulose wadding sheets, and associated... Roll made up of cellulose wadding sheets, and associated...

D - Textiles, Paper

21

H

D21H 27/30 (2006.01) A47K 10/16 (2006.01) D21F 11/00 (2006.01) D21H 27/00 (2006.01)

Patent

CA 2437235

The invention relates to a roll constituted by a plurality of tissue paper sheets each having a specific surface weight between 10 and 40 g/m2 and exhibiting thick zones (4) separated over at least 90% of their periphery by thinner zones (5). According to the invention, and as regards at least the outermost turns of the roll, the thick zones are at least partly superposed one on the other in a way to add the thicknesses cumulatively and hence to create height differentials on the roll's outside. The invention also relates to a method for making a roll, wherein a strip composed of a plurality of juxtaposed tissue paper sheets exhibiting thick zones separated by thinner zones will be wound on itself. According to the invention, the winding of the roll is such that the thick zones (4) of the outermost roll turns are at least partly superposed in order to constitute a salient topography on the roll's outside.

L'invention concerne un rouleau formé d'une pluralité de feuilles d'ouate de cellulose ayant chacune au moins un pli de grammage compris entre 10 et 40 g/m2, et présentant des zones épaisses (4) séparées sur au moins 90 % de leur périphérie par des zones moins épaisses (5). Selon l'invention, sur au moins les spires les plus externes du rouleau, les zones épaisses sont au moins partiellement superposées les unes aux autres de façon à cumuler les épaisseurs et donc à créer des différences de niveau sur l'extérieur du rouleau. L'invention vise en outre un procédé de réalisation d'un rouleau consistant à enrouler sur elle-même une bande formée d'une pluralité de feuilles d'ouate de cellulose juxtaposées présentant des zones épaisses séparées par des zones moins épaisses. Conformément à l'invention, l'enroulement du rouleau est tel que l'on superpose au moins partiellement les zones épaisses (4) des spires les plus externes du rouleau afin de former un relief sur l'extérieur du rouleau.

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