Patent ID: 8250838
Filing Date: 2012-08-28
Classification: B65B

Abstract:
1. A wrapping machine for wrapping a product with a plastic film comprising, a supporting frame with which a ring arrangement is associated that rotates around a wrapping axis of said film around said product and supports a carriage arranged for supporting a reel of said film and for supporting a first roller and a second roller cooperating for unwinding and stretching said film, a first motor fixed to said supporting frame and coupled with said first roller, a second motor fixed to said supporting frame and coupled with said second roller, a driving arrangement for coupling said first motor and said second motor with said first roller and with said second roller, respectively, said driving arrangement comprising a flexible driving arrangement, wherein said flexible driving arrangement comprises a first driving belt and a second driving belt rotated by said first motor and by said second motor, respectively, and acting respectively on a first driven belt and on a second driven belt arranged for rotating said first roller and said second roller, respectively, said wrapping machine further comprising a first pulley arrangement and a second pulley arrangement on which are wound, at least partially, said first driving belt and said second driving belt, respectively.