| 摘要 |
<p>Single lengths of wrapping material are cut from a continuous strip by a feed unit equipped with a drum (13) on which the strip (3) is taken up and advanced, also with a first cutter assembly (19) by which the strip (3) is divided into leaves (2), a second cutter assembly (45) positioned to score a transverse tear-off line (21) on each leaf (2), and a third cutter assembly (48) positioned to score a longitudinal tear-off line (22) that combines with the transverse tear-off line (21) to mark out a removable portion (24) of the leaf (2); the first and second and third cutter assemblies (19, 45, 48) all operate in conjunction with the drum (</p> |
