METHOD OF AND APPARATUS FOR WRAPPING A STACK OF OBJECTS WITH A FILM

METHOD OF AND APPARATUS FOR WRAPPING A STACK OF OBJECTS WITH A FILM

An apparatus for wrapping a stack of objects with a film has first and second supplies of films and a pull-down device shiftable vertically along the stack of objects. A film-feed head has a drive roller rotatable about an axis in the film feed head and first and second pairs of counterrollers angul...

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1. Verfasser: MICHELS FRANK ROLF
Format: Patent
Sprache:eng
Schlagworte:
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
UNPACKING
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creator MICHELS FRANK ROLF
description An apparatus for wrapping a stack of objects with a film has first and second supplies of films and a pull-down device shiftable vertically along the stack of objects. A film-feed head has a drive roller rotatable about an axis in the film feed head and first and second pairs of counterrollers angularly offset from each other relative to the drive-roller axis. The drive roller and the pairs of counterrollers are relatively shiftable between end positions in each of which one of the pairs is spaced from the drive roller and the other pair is engaged with the drive roller. The first and second films pass between the respective first and second pairs and the drive roller. An actuator can shift the first and the second pairs of rollers relative the drive roller for pinching the films against the drive roller and, on rotation of the drive roller.
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subjects CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
UNPACKING
title METHOD OF AND APPARATUS FOR WRAPPING A STACK OF OBJECTS WITH A FILM
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