Guide apparatus for packaging machine has inner and outer guide surfaces having different guide characteristics, and which respectively face and face away from item

摘要

Inner guide surfaces (5) face and contact an item (G) e.g. bottle while outer guide surfaces face away from the item. The inner and outer guide surfaces have different guide characteristics which include roll, adhesion, and sliding or friction characteristics. The inner guide surfaces have either or both fluid outlets, particularly for air, magnetic field generating devices.