Method of wet pressing tissue paper with three felt layers

Details Method of wet pressing tissue paper with three felt layers Method of wet pressing tissue paper with three felt layers

D - Textiles, Paper

21

F

D21F 11/00 (2006.01)

Patent

CA 2289780

The present invention provides method for making a wet pressed paper web. An embryonic web (120) of papermaking fibers is formed on a foraminous forming member (11), and transferred to an imprinting member (240) to deflect a portion of the papermaking fibers in the embryonic web into deflection conduits in the imprinting member. The web (120) and the imprinting member (240) are then pressed in a compression nip with first (320), second (350), and third (360) dewatering felt layers.

Cette invention a trait à une technique d'obtention de bande de papier pressée au mouillé. Une bande précurseur (120) de fibres pour pâte à papier est formée sur un élément de formage foraminé (11), puis transférée vers un élément d'empreinte (240) afin de dévier une partie des fibres dans des conduits de déviation de l'élément d'empreinte. La bande (120) et l'élément d'empreinte (240) sont alors pressés dans une pince pourvue de trois couches feutre d'égouttage (320, 350, 360).

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