| 摘要 |
<p>A method of feeding portions (2) of wrapping material, cut off a continuous strip (3), to a packing line (4), which method, for feeding each portion (2), includes stages consisting in making in the strip (3) at least a first partial transverse cut (31) by means of a first fixed blade (29) cooperating with a movable blade (28); and in making in the strip (3) at least a second partial transverse cut (33), aligned longitudinally with the first partial transverse cut (31) and completing detachment of the portion (2), by means of a second fixed blade (32) cooperating with the movable blade (28); the strip (3), in the course of making the second partial transverse cut (33), being drawn by feed elements (15) not involving the strip portion in which the second partial transverse cut (33) is to be made. <IMAGE></p> |
