D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 17/67 (2006.01) C01F 11/18 (2006.01) D21H 19/36 (2006.01) D21H 19/38 (2006.01) D21H 23/22 (2006.01) D21H 17/70 (2006.01) D21H 23/30 (2006.01)
Patent
CA 2336874
Method and assembly for forming a paper or board web and a product made using the method. According to the method, the web (11) is made from fibers and then the web (11) is treated with pigment particles. The web is treated with microscopic pigment particles whose average size is so small as to permit the particles to adhere to each other by van der Waals forces. The particles are transferred to the web and adhered thereto advantageously using an ion-blast technique.
La présente invention concerne un procédé de fabrication de bande de papier ou de carton et l'installation correspondante. Selon ce procédé, la bande (11) est fabriquée à partir de fibres, puis traitée au moyen de particules de pigment. Ces particules microscopiques de pigment sont d'une taille si petite qu'elles peuvent adhérer les unes aux autres sous l'effet de forces van der Waals. Les particules sont transférées sur la bande et y sont collées avantageusement au moyen d'une technique à vent ionique.
Gronroos Lars
Kasma Veli
Niemela Hannu
Nissinen Vilho
Nyberg Timo
Gowling Lafleur Henderson Llp
Metso Paper Inc.
Valmet Corporation
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