| 摘要 |
<p>The embossing - laminating unit (1), comprises: a first embossing roller (3) provided with a series of first embossing protuberances (3P); a first pressure roller (5), cooperating with said first embossing roller to emboss a first ply (V1) of web material; a second embossing roller (9) provided with a series of second embossing protuberances (9P); a second pressure roller (11), cooperating with said second embossing roller to emboss a second ply (V2) of web material; a glue applicator (7), cooperating with said first embossing roller (3); a laminating roller (15), cooperating with said second embossing roller (9); The laminating roller is provided with protuberances (15P) in phase with at least some of the first protuberances of the first embossing roller in order to generate a laminating effect in correspondence of areas of the first ply embossed by the first embossing roller.</p> |
