Unwinding apparatus

Details Unwinding apparatus Unwinding apparatus

B - Operations, Transporting

65

H

B65H 16/00 (2006.01) B65B 13/00 (2006.01) B65B 13/18 (2006.01)

Patent

CA 2314291

An unwinding apparatus for a strapping machine for the purpose of unwinding a band from a band-supply reel comprises at least two bearing rollers which are located one behind the other in the circumferential direction of the band-supply reel and on which the band-supply reel rests by way of its respective outer band circumference, it being possible for at least the downstream bearing roller to be driven for the purpose of driving the band-supply reel. In the preferred embodiment of the invention a complete unwinding system is provided including: an intermediate band store which controls the rotation of the band-supply reel and stores unwound band, a band introduction and tensioning subassembly for final tensioning of the band being fed to the strapping machine, a double clamp welding system and draw-back tensioning.

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