| 摘要 |
<p>A perforator device for ribbons of paper in re-reeling machines is applied to a re-reeling machine (10) which mounts a roller (11) that turns and carries a plurality of smooth perforating blades (13) mounted on helical seats, and a counter-roller (12) which carries at least one toothed counterblade (14), where on the rotating roller (11) there act means for causing its translation with respect to its own fixed supports (17, 18) and elastic means for its return into position. <IMAGE></p> |
