Apparatus for reversing the running direction of tube sections in sack machines
AssigneeWindmoller & Holscher
InventorFritz Achelpohl
Life of this patent
Estimating the term…
Abstract
Apparatus for reversing the running direction of a tube section in a machine for making sacks or bags comprises a turning cylinder with grippers for engaging the tube sections and pairs of rollers for conveying the tube sections in the opposite direction. At least one roller of the pair is movable and provided with a control effective to bring the rollers together with a snap action and separating them again after the tube sections have been transferred to a feed conveyor.
Claims11
Apparatus for reversing the running direction of a tube section in a machine for making sacks or bags which are closed by a base at both ends particularly sacks or bags of plastics film, comprising a turning cylinder provided with grippers for engaging the tube sections and a pair of rollers for conveying the tube sections in a direction opposite to said running direction, at least one roller of said pair being movable, and a control for suddenly moving said pair of rollers together to grip the tube sections and to separate the pair of rollers again after transferring the tube sections to an associated feed conveyor.
Dependencies are inferred from the claim text.