Arrangement and method for processing a paper web, in...

D - Textiles – Paper – 21 – F

Patent

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Details

D21F 5/00 (2006.01) D21F 9/00 (2006.01) D21F 11/00 (2006.01) D21G 7/00 (2006.01)

Patent

CA 2758463

The invention relates to an arrangement for processing a paper web having a low surface area density not exceeding 70g/m2, in particular a cigarette paper web, comprising: an input side, over which the paper web is fed into the arrangement; an output side, over which the paper web leaves the arrangement, wherein the paper web passes the arrangement from input side to output side in a direction of conveyance; a device (5) downstream of the input side, in particular a printing unit, preferably a gravure printing unit, for applying a liquid printing medium to the paper web; a first drying station (7) following the applying station in direction of conveyance, in particular hot-air drying, for drying the printing medium applied to the paper web; a device (9) following the first drying in direction of conveyance for moistening the paper web and a second drying station (11) following the moistening device in direction of conveyance, by which the moistened paper web is dried.

L'invention concerne une installation pour traiter une bande de papier présentant une densité de surface maximale de 70 g/m2, en particulier une bande de papier à cigarette, comprenant : un côté entrée, par lequel la bande de papier est amenée à l'installation, un côté sortie, par lequel la bande de papier quitte l'installation, la bande de papier traversant l'installation du côté entrée vers le côté sortie dans un sens de transport, un dispositif (5) placé en aval du côté entrée, en particulier un groupe d'impression, de préférence un groupe de sérigraphie, pour l'application d'un fluide de pression liquide sur la bande de papier, une première station de séchage (7) faisant suite au dispositif d'application dans le sens de transport, en particulier un séchage par air chaud, pour le séchage du fluide de pression appliqué sur la bande de papier, un dispositif (9) faisant suite au premier séchage dans le sens de transport pour l'humidification de la bande de papier et une seconde station de séchage (11) faisant suite au dispositif d'humidification dans le sens de transport, par laquelle la bande de papier humidifiée est séchée.

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