Improved paper for corrugating medium

D - Textiles – Paper – 21 – F

Patent

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Details

D21F 11/02 (2006.01) D21F 11/00 (2006.01) D21H 23/26 (2006.01) D21H 27/00 (2006.01) D21H 17/14 (2006.01) D21H 17/60 (2006.01) D21H 23/52 (2006.01)

Patent

CA 2214225

Making paper for corrugating medium includes forming a sheet of pulp material, partially drying the sheet of pulp material to provide a partially dried sheet, applying a crack-reducing agent to surfaces of the partially dried sheet, and providing a sheet of paper by drying the partially dried sheet after applying the crack-reducing agent. Forming a sheet of pulp material may include providing a pulp slurry to aheadbox having a slice and carrying the pulp slurry that exits from the slice away from the headbox using, for example, a Fourdrinier. The Fourdrinier may also drythe sheet.

La fabrication du papier à canneler pour carton ondulé consiste à former une épaisseur de pâte, puis à la faire sécher partiellement pour constituer une feuille partiellement séchée, à appliquer un agent réduisant le fendillement sur les surfaces de l'épaisseur partiellement séchée, et à produire une feuille de papier en terminant le séchage de l'épaisseur de pâte partiellement séchée après l'application de l'agent réduisant le fendillement. Former une épaisseur de pâte peut consister à fournir une pâte liquide à une caisse d'arrivée munie d'une règle et à transporter la pâte liquide qui sort de la règle loin de la caisse d'arrivée en utilisant, par exemple, une machine à table plate. La machine à table plate peut aussi sécher la feuille.

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