Patent ID: 9402417
Filing Date: 2016-08-02
CPC Classification: A24C,A24D,B41M,B41P

Claim Text:
1. A single-layer printing method of water-based ink on a wrapper for smoking articles, with the aim of obtaining a wrapper for smoking articles with low propensity to ignition by the flexographic technique, characterized in that (1) the printing is carried out in a central drum flexographic printing machine using a single printing unit, (2) said unit is equipped with an anilox with a capacity of between 10 and 40 cm and a printing roll equipped with a printing form selected from: a stencil plate plus an adhesive, and a sleeve, and (3) in that an ink is used, which comprises between 25% and 40% solids, gum arabic in a percentage comprised between 40% and 95% by weight relative to the ink solids, and calcium carbonate in a percentage comprised between 5% and 60% by weight relative to the ink solids.