Wrapper e.g. cover, packaging device, has extensible frames with different foil reef devices, and stretching devices to stretch and shorten foil hood or foil sheeting, where foil hood is provided between pulley wheels that are interlinked

摘要

The device has a lifting device attached over a gear set (9) by a motor drive (8), and including counter weights. Extensible frames (10) have different foil reef devices, and stretching devices that stretch and shorten a foil hood (1) or a foil sheeting. The frames are respectively arranged in differential arrangements and are not swivelable at the lifting device. The foil hood is provided between pulley wheels (3, 4) that are interlinked.