| 摘要 |
<p>On the cylinder (7) for the advancement and the transversal cut, in addition to the cutting means (14) and at a distance therefrom, a retaining means (22) is provided in correspondence of at least a line where a fold (T) is to be carried out, so as to obtain, through the fast advancement of same cylinder, a lifting and a backwards overturning, along said folding line, of the paper portion (P2) before said line; a pressing roller (40)actsagainst said cylinder (7) to complete the folding (T); means (9) are provided for interrupting the retention along said folding line, after this has passed said pressing roller (40); further means are provided to pick up the piece being folded and moved away.</p> |
