Absorbent embossed paper sheet, embossing cylinder, and...

D - Textiles – Paper – 21 – H

Patent

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Details

D21H 27/02 (2006.01) B29C 59/04 (2006.01) B31F 1/07 (2006.01)

Patent

CA 2472318

Disclosed is a cotton cellulose sheet comprising at least one first embossed area (A¿1?, A¿2?) with protrusions on one side and corresponding indentations on the other side. The indentations have an essentially polygon-shaped base. The inventive sheet comprises at least one second non-embossed area (B). According to the invention: - the indentations 101', 102' are arranged at least according to one alignment; - the sides facing two adjacent indentations define a bridge (P) with straight or substantially straight edges having a length L which is greater than the greatest width D thereof. One or several interlinked bridges define a path between preferably two second non-embossed areas (B) which are separated by at least one embossed area (A¿1?, A¿2?). The invention also relates to a cylinder for embossing such a sheet.

La feuille d'ouate de cellulose comprend au moins une première zone gaufrée (Al, A2) avec des protubérances sur une face correspondant à des alvéoles sur l'autre face. Les alvéoles ont une base de forme sensiblement polygonale, et la feuille comprend au moins une deuxième zone non gaufrée (B). Selon l'invention: - les alvéoles 101', 102' sont disposés selon au moins un alignement - les côtés en vis-à-vis de deux alvéoles adjacents définissent un pont (P) à bords rectilignes ou sensiblement rectilignes de longueur L supérieure à sa plus grande largeur D, un ou plusieurs ponts reliés les uns aux autres déterminant un chemin entre préférentiellement deux secondes zones non gaufrées (B) séparées par au moins une première zone gaufrée (A1, A2). L'invention concerne également un cylindre pour le gaufrage d'une telle feuille.

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