D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 25/06 (2006.01) B05B 5/00 (2006.01) B05C 1/14 (2006.01) B05C 9/14 (2006.01) B05D 1/06 (2006.01) D21H 25/08 (2006.01) F26B 3/20 (2006.01) F26B 13/02 (2006.01) F26B 13/10 (2006.01)
Patent
CA 2402975
A method and an assembly is disclosed for manufacturing a web of glazed paper or board so as to produce with a web surface treated with a treatment agent, the method comprising the steps of first producing a base web (10), whereupon in an applicator apparatus to the surface of the web is applied in at least one step at least one kind of a treatment agent. Subsequent to the application of the treatment agent, the web (10) is passed via a dryer. The solids content of the treatment agent to be applied the surface of the web (10) in an applicator apparatus is not less than 80 %, and after the application of the treatment agent, the web (10) is passed via a belt dryer comprising at least one heatable belt (2) in such a manner that the heatable belt comes to face the treated surface of the web (10). Advantageously, the web has a high moisture content prior to the application of the treatment agent.
L'invention porte sur un procédé et une installation de fabrication d'une bande de papier ou de carton satiné dont la surface est revêtue d'un agent de traitement après constitution de la bande de base (10), au moyen d'un applicateur en au moins une étape et avec au moins un agent de traitement. La teneur en solides de l'agent de traitement qu'on applique sur la bande n'est pas inférieure à 80 %. Après l'application, la bande (10) passe dans un séchoir comportant au moins une bande chauffante (2), la surface traitée faisant face à la bande chauffante. Dans ce procédé la bande a l'avantage de présenter une humidité élevée avant l'application de l'agent de traitement.
Gron Johan
Nissinen Vilho
Retulainen Elias
Gowling Lafleur Henderson Llp
Metso Paper Inc.
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