| 摘要 |
<p>A punch form (1) for die-cutting of packaging material (7), comprising cutting knives and/or scoring rules, wherein the punch form at least partly is provided with sheet material provided in such a way that a crack-reducing effect is achieved in the packaging material, at least in connection to the cutting knives and/or scoring rules, wherein the sheet material is air permeable to during die-cutting evacuate air between the packaging material and the parts of the punch form which are provided with sheet material; a method for die-cutting packaging material by means of a punch form as above, in which air between the packaging material and the punch form provided with sheet material is evacuated; and the use of a punch form as above.</p> |
