Paper machine and method for manufacturing paper

Details Paper machine and method for manufacturing paper Paper machine and method for manufacturing paper

D - Textiles, Paper

21

F

D21F 11/14 (2006.01) D21F 1/48 (2006.01)

Patent

CA 2563820

Paper machine (1) for manufacturing a fibre web (12) of paper without through air drying (TAD) or pressing, comprising: a wet end (2), having a wire section (5) with at least one forming wire (7, 8), a clothing (16), being air and water permeable, and a dewatering unit (20) for dewatering the fibre web; and a drying section (3), comprising a drying surface (24) for the fibre web; and also a transfer roll (23) for transferring the fibre web to the drying section, wherein the fibre web is supported by said clothing from the wire section all the way to and over the transfer roll. The clothing has a three- dimensional structure for structuring the fibre web.

Cette invention concerne une machine à papier (1), servant à fabriquer une bande de fibres (12) de papier sans séchage par air traversant (TAD) ni pressage, cette machine comprenant : une section d'imprégnation (2), comportant une section table (5) avec au moins une table de fabrication (7, 8), une toile (16), perméable à l'air et à l'eau, et une unité d'essorage (20) servant à essorer la bande de fibres ; et une section de séchage (3) comprenant une surface de séchage (24) pour la bande de fibres ; ainsi qu'un rouleau de transfert (23) destiné à transférer la bande de fibres jusqu'à la section de séchage. La bande de fibres est maintenue par la toile provenant de la section table sur tout le parcours du rouleau de transfert. La toile présente une structure tridimensionnelle servant à structurer la bande de fibres.

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