US 11,806,986 B2
Flexographic printing device and a method of simultaneously printing at least two material webs having different thicknesses
Philip Blomstrom, Gothenburg (SE); and Lisa Palmqvist, Gothenburg (SE)
Assigned to ESSITY HYGIENE AND HEALTH AKTIEBOLAG, Gothenburg (SE)
Appl. No. 16/982,674
Filed by Essity Hygiene and Health Aktiebolag, Gothenburg (SE)
PCT Filed Apr. 5, 2018, PCT No. PCT/SE2018/050357
§ 371(c)(1), (2) Date Sep. 21, 2020,
PCT Pub. No. WO2019/194710, PCT Pub. Date Oct. 10, 2019.
Prior Publication US 2021/0001619 A1, Jan. 7, 2021
Int. Cl. B41F 5/24 (2006.01); B41F 13/10 (2006.01); B41F 13/18 (2006.01); B41M 1/04 (2006.01); B41N 7/06 (2006.01); A61F 13/84 (2006.01); B41N 7/04 (2006.01)
CPC B41F 5/24 (2013.01) [A61F 13/84 (2013.01); B41F 13/10 (2013.01); B41F 13/18 (2013.01); B41M 1/04 (2013.01); B41N 7/04 (2013.01); B41N 7/06 (2013.01); A61F 2013/8497 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A flexographic printing device comprising a printing unit comprising:
a printing roller carrying on a surface thereof an image to be printed, an impression roller having a surface, and
an anilox roller adapted to feed printing ink from a printing ink chamber onto the printing roller,
wherein the printing unit is configured for simultaneously printing at least two material webs having different thicknesses, the at least two material webs being printed when they pass a printing nip formed between the printing roller and the impression roller, and
wherein a radial extension of the anilox roller is adapted in respect to the thickness of the material web to be printed and the anilox roller is axially inclined to adapt the radial extension of the anilox roller to the thickness of the respective material web to be printed.