US 9,333,530 B2Granted

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

Assigneedelfortgroup AG

InventorFranz Burger

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Abstract

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.

Claims20

Dependent claims

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.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 14/487,881Filed 16 Sep 2014 · continuation
Priority: DE 10 2009 019 60030 Apr 2009
Published: US 2015/0004321 A11 Jan 2015
Granted: 10 May 2016
Term ends: Not estimatedThe source records don’t support an estimate.

Classification15 codes

B05D 1/02
Processes for applying liquids or other fluent materials: performed by spraying
A24C 5/38
Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes: machines combined with printing devices
D21F 5/00
Dryer section of machines for making continuous webs of paper
D21F 9/00
Complete machines for making continuous webs of paper

Family

PCT/EP2010/002665Parent of this continuation · filed 30 Apr 2010
US 2015/0004321 A1Pre-grant publication · published 1 Jan 2015
Application13/266,504Parent of this continuation
US 8,863,657 B2Parent of this continuation
US 2012/0111209 A1Published application
US 9,333,530 B2This patent

From the US filing history. Foreign family members aren’t listed.