Improved system and method for controlling the forming and...

Details Improved system and method for controlling the forming and... Improved system and method for controlling the forming and...

D - Textiles, Paper

21

F

92/15.3

D21F 11/00 (2006.01) D21F 1/48 (2006.01) D21F 1/52 (2006.01) D21F 9/00 (2006.01)

Patent

CA 2040439

An improved system in a paper making process of forming and dewatering fiber/aqueous dispersion (44) by submerged drainage in which air does not penetrate the fiber/aqueous dispersion (44) nor the paper web as it is being formed; the dewatering being accomplished by altering the natural tension of the water meniscus so as to induce enhanced drainage of water from the aqueous dispersion (44) of paper making fibers, especially in the wetter end of the system:

L'invention concerne un système amélioré dans un procédé de fabrication de papier, de formage et d'égouttage mécanique d'une dispersion fibreuse/aqueuse (44) par drainage immergé, dans lequel l'air ne pénètre pas dans la dispersion fibreuse/aqueuse (44) ni dans la bande de papier à mesure qu'elle est formée; l'égouttage mécanique étant effectué par modification de la tension naturelle de la surface de l'eau afin d'augmenter l'écoulement d'eau de la dispersion aqueuse (44) de fibres de fabrication de papier, notamment à l'extrémité la plus humide du système.

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