Installation for processing a paper web, in particular a cigarette paper web

摘要

An arrangement for processing a paper web having a low surface area density not exceeding 70 g/m2, in particular a cigarette paper web, that may include in a conveyance direction: an input side, over which the paper web is fed into the arrangement; an output side, over which the paper web leaves the arrangement; a device 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 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 following the first drying in direction of conveyance for moistening the paper web and a second drying station following the moistening device in direction of conveyance, by which the moistened paper web is dried.

主权项

1. An installation for processing a cigarette paper web with a basis weight not exceeding 70 g/m2, the installation comprising:
an input side, via which the paper web is fed to the installation; an output side via which the paper web leaves the installation, wherein the paper web runs through the installation from the input side to the output side in a conveying direction; an applying device downstream of the input side for applying a liquid print medium onto the paper web to provide a printed side of the paper web; a first drying station following the applying device in the conveying direction for drying the print medium applied to the paper web; a humidification device for humidifying the paper web following the first drying station in the conveying direction; and a second drying station following the humidification device in the conveying direction, by means of which the humidified paper web is dried, wherein the second drying station uses contact drying, in which the humidified paper web is in direct contact with at least one heated drying roller including a first heated drying roller in the second drying station being the first drying roller in the conveying direction in the second drying station, and wherein the first heated drying roller is not in contact with the printed side of the paper web.