Preferred device for the preference of a film web in a bag filling plant

摘要

The invention relates to a preferential device (10) for the advantage of a film web (200) in a bag filling line (100), comprising a main advancing drive (20) with at least one driven main feed roller (22) for the benefit of the film web (200), wherein for a setting the tension of the film web (200) in the transport direction (T) of the film web (200) before the main advancing drive (20) an auxiliary advancing drive (30) is arranged with at least one driven Hilfsvorzugswalze (32) for the benefit of the film web (200).