| 摘要 |
An apparatus for covering one or more products comprises: means (8) for gripping and opening the mouth of the film (2); means (13) for gathering up or folding the film (2) in concertina fashion on the arms (10); these means (13) comprise a power-driven belt (14) for concertina folding the film (2), positioned in the area at the back of a film (2) contact surface (10b) of the vertical section (10a); an idle roller (16), positioned to face the contact surface (10b) and driven by respective means (17) between a retracted, idle position, where the roller (16) is away from the belt (14), and an advanced, working position, where the roller (16) is in contact with the film (2) interposed between the roller (16) itself and the belt (14).
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