| 摘要 |
<p>A device for feeding, adjusting and cutting a continuous web in predetermined zones to obtain portions is described. The device comprises periodically cutting apparatus, apparatus for feeding the web to said cutting apparatus, and a device for detecting at least one reference mark for the zone on the web. The main characteristic of the device is to comprise first device for checking the position of the predetermined cutting zone relative to a cutting apparatus and to quantify any diversity between the two zones, and second apparatus driven by the first device for controlling and correcting any diversity relative to each portion cutting operation, to act on the feed device and/or on the cutting apparatus in order to eliminate any diversity relative to each portion cutting operation.</p> |
