| 摘要 |
<p>The apparatus for plastic film packaging spools of sewing thread and the like comprises an initial winding device (3 for winding the plastic film around a spool (1), which device (3) comprises a pair of guides (4) across the inlets whereof a plastic film is fed, and a pusher (5) which is adapted to insert the spool in between said guides (4); a cutting device (19,20) for cutting off the portion of plastic film which is being wound around said spool (1); a gripper (25) for picking up the spool leaving said guides (4); a folder (37) for folding over the spool a first longitudinal flap of the plastic film partly wound around said spool; and a welding device (42,43) for welding the second longitudinal flap of the plastic film to the first flap. The second flap is adapted to fold, by rotation of the grippers (25), over the first flap in abutment relationship with the welding device (42,43).</p> |
