Apparatus for controlling tension of film material for...

Details Apparatus for controlling tension of film material for... Apparatus for controlling tension of film material for...

B - Operations, Transporting

65

H

154/38

B65H 39/16 (2006.01) B65H 23/182 (2006.01)

Patent

CA 1281622

ABSTRACT OF THE DISCLOSURE An apparatus for automatically adjusting the tension on materials being laminated or joined comprising a pair of supply rolls for said materials. A feed assembly is provided for unwinding and feeding the film materials to laminating rolls. Dancer arms are provided for adjusting the tension on the film materials. Computer actuated pneumatic assemblies automatically adjust the position of the dancer arms dependent on a signal to the computer from a device measuring the tension on the laminate from the laminating rolls.

498592

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