| 摘要 |
<p>An embossing unit including at least one embossing roller, provided with embossing protrusions or recesses on a cylindrical surface; at least one pressure roller coated with an elastically yielding material and cooperating with the embossing roller; at least one actuator that presses the pressure roller and the embossing roller against each other; an automatic position adjustment system, to adjust the reciprocal position of the pressure roller and the embossing roller.</p> |
