Tissue sheet molded with elevated elements and methods of...

D - Textiles – Paper – 21 – F

Patent

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Details

D21F 5/18 (2006.01) D21F 11/00 (2006.01) D21H 27/00 (2006.01) D21H 27/02 (2006.01)

Patent

CA 2631191

A paper web having discrete elevated elements molded in the z-direction is generally disclosed, along with methods of making the same. The molded web has improved bulk retention when subjected to compression in the z-direction. The discrete elevated elements can be dome-shaped elevated elements and/or elevated elements having at least one vertical sidewall to form an aesthetically pleasing figure. The paper web can be an uncreped through air dried paper web. The molding of the paper web can result from the contour of the dryer fabric, such as a nonwoven dryer fabric.

L'invention concerne de manière générale une nappe de papier qui présente des éléments séparés en relief gaufrés dans la direction z ainsi que des procédés pour sa fabrication. La nappe gaufrée présente une capacité améliorée de maintien de son volume lorsqu'elle est soumise à une compression dans la direction z. Les éléments séparés en relief peuvent être des éléments en relief en forme de dôme et/ou des éléments en relief qui présentent au moins une paroi latérale verticale de manière à avoir un aspect esthétiquement plaisant. La nappe de papier peut être une nappe de papier non crêpée séchée à l'air. Le gaufrage de la nappe de papier peut découler du contour du tissu du séchoir, par exemple un tissu non tissé de séchoir.

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