| 摘要 |
<p>The present invention relates to an apparatus for embossing a multi-ply paper product, comprising at least one background embossing unit (1), for embossing at least one ply of the multi-ply paper product and at least one decoration embossing unit (2) for embossing the at least one ply downstream of the background embossing unit, as seen in the direction of processing, the decoration embossing unit having a decoration embossing roll (10) and a decoration backing roll (11), characterized in that the decoration embossing roll of the decoration embossing unit has an engraving depth larger than 1,5 mm. By this arrangement, an increased bulk of the produced multi-ply paper product can be achieved, the decoration embossing having sharp edges, which in turn leads to an improved application of dye, if dyed glue is used for laminating the plies together. To strengthen this fact, it is preferably that the decoration backing roll has a hardness larger than 60 Shore (A).</p> |
