Method of and arrangement for treating a fiber web

Details Method of and arrangement for treating a fiber web Method of and arrangement for treating a fiber web

D - Textiles, Paper

21

F

D21F 5/00 (2006.01) D21G 1/00 (2006.01)

Patent

CA 2274691

The invention relates to a method of and an arrangement for treating a fiber web, whereby the fiber web (5) is dried substantially dry and led after that to be treated by means of heat and compression. At least one surface of the dry fiber web (5) is arranged moist and the fiber web is led into an apparatus comprising two endless air-impermeable bands (1, 2) arranged to turn around turning rolls (6a, 6b, 7a, 7b), whereby the bands (1, 2) are arranged to run part of the way parallel to each other. At least one band (1, 2) is heated and the fiber web (5) is led between the bands (1, 2).

L'invention concerne un procédé et un agencement destinés à traiter une feuille fibreuse, le procédé consistant à sécher sensiblement la feuille (5), puis à le traiter à la chaleur et par compression. On mouille au moins une surface de la feuille (5) sec, que l'on achemine ensuite dans un dispositif comprenant deux bandes sans fin (1, 2), imperméables à l'air, agencées de manière à tourner autour de rouleaux d'entraînement (6a, 6b, 7a, 7b) et à avancer en parallèle sur une partie du dispositif. On chauffe au moins une bande (1, 2) et on achemine la feuille (5) entre les bandes (1, 2).

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