| 摘要 |
A creasing unit (1) for processing sheet material blanks (3), having a blank feed device (2) for feeding blanks (3) along a feed path (P); a strike creasing assembly (4), in turn having a creasing blade (10) crosswise to the feed path (P) and movable up and down substantially vertically; and an auxiliary assembly (5) located downstream from the strike creasing assembly (4), and m turn having a carriage (15) movable horizontally crosswise to the feed path (P), and at least one perforating head (19, 25) fitted to the carriage (15). |
