| 摘要 |
The embossing device for embossing a web material comprises at least a first path for at least one ply (V1) of web material, along which a plurality of embossing groups is arranged in series (3, 5, 7), each of which comprising an embossing roller with embossing protuberances, a pressure roller cooperating with the embossing roller and a dispenser for dispensing a liquid colored product. The embossing groups are mutually phased in order to create on the ply of web material a complex embossing pattern, colored in a plurality of colors through said dispensers for dispensing a liquid product |
