Patent classifications
B
B41
B41N
3/00
B41N3/003
B41N3/003
Method of refurbishing rotogravure cylinders, rotogravure cylinders and their use
The rotogravure cylinder comprising a rotary gravure base and thereon a copper engraving layer is refurbished to contain a zinc layer between a gravure base and a layer package suitable for engraving and printing. This layer package for instance comprises a metallic support layer, a copper engraving layer and suitably a protection layer. Deposition of the zinc layer may be tuned for thickness variation, in combination with deposition of the layer package in a fixed thickness.