| 摘要 |
<p>An embossing unit (1) having a frame (8) supporting a pair of embossing rollers (3, 4) by means of respective supports (13, 16), a first (13) of which is integral with the frame (8), and a second (16) of which is connected to the frame (8) by a spherical connection (24) and is pushed towards the other support (13) by a force generated by a pair of electromagnets (30). <IMAGE></p> |
