| 摘要 |
<p>Interfolding machine of sheet material for making a stack of interfolded sheets (100) equipped with cutting and transferring means, comprising, for example, a cutting roller (2) that operates the division of the web (10) into sheets (11) of determined length. The cut sheets (11), having all the same length, are carried along the machine up to a transfer roller (3) that transfers them to an "overlap" roller (4). In particular the cutting roller (2) has peripherally a first series of cutting blades (21a-21d) arranged at a first angular distance equal to 90° and of a second plurality of cutting blades (21'a-21'c) arranged at a second angular distance equal to 120°. The length of sheets (11) is therefore achieved by the angular distance existing between the blades (21). In order to adjust the length of the sheets, or cut-off length, it is enough to select the blades on the cutting roller (2) located at an angular distance corresponding to the desired sheet length.</p> |
