PACKING MATERIAL WEB FLEXOGRAPHIC PRINTING DEVICE Russian patent published in 2017 - IPC B41F5/24 

FIELD: polygraphy.

SUBSTANCE: invention relates to packing material web flexographic printing device. Device has anilox roll, which rotates in paint reservoir or chamber for capturing and transfer of printing ink to printing cylinder, which rotates adjacent to anilox roll and together with back pressure cylinder, rotating adjacent to printing cylinder, forms, gap, through which web for reception of printing ink from printing cylinder is passing. In order to prevent printing ink from drying and sticking on anilox roll, device has spraying or shower device, using which cleaning fluid medium for printing ink is applied on anilox roll peripheral surface. Paint chamber axial end walls continue towards anilox roll peripheral surface, partially rotating inside paint chamber, but ending at short distance from it, to create gap between anilox roller and each corresponding end wall. Spraying or shower device is arranged so, that its nozzle is directed to anilox roll end sections in position located after printing ink transfer to printing cylinder by anilox roller.

EFFECT: disclosed invention reduces residual printing ink drying and adhesion to anilox roll peripheral surface.

10 cl, 5 dwg