| 摘要 |
The invention relates to a winder device (1) for reels (2, 3) of a web material to be supplies, in particular, a packaging unit comprising a support structure (4) provided in the form of two brackets (7, 8), and having at least a means (5A) for receiving and supporting the rotation of at least one first reel (2) in a first working position (6A) and a means (5C) for receiving at least one second reel in a stand-by position (6C). Said device (1) further comprises an abutment means (30) consisting of a clamp (31) including a first jaw (32) and a second jaw (33), said jaws (32, 33) extending parallel to the unwinding axes of the reels (2, 3) and transversely to a web (12), the first jaw (32) being positioned on the path over which the web (12) is routed toward a machine located downstream therefrom, and the second jaw (33) being mobile and capable of assuming, by means of suitable drive means (34), a position in which it engages with the first jaw (32) and a stand-by position (35) in which the web (12A) of the second reel (3), located in the stand-by position (6C) on the winder device (1), can be caused to engage with and held on said second jaw (33). |
