B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
156/27
B65B 9/20 (2006.01) B29C 65/00 (2006.01) B29C 65/18 (2006.01) B65B 51/26 (2006.01)
Patent
CA 1277583
ABSTRACT OF DISCLOSURE To provide for continuous feed of a packaging film , the film into a tube, filling the tube into packages and severing the packages, markers are located longitudianlly along the film for example of plastic; the film is fed and formed into a tube by a pulling mechansism, the drive of which is synchronized with the bag forming operation as such, that is, sealing and severing tube portions, under control of the markers so that slippage between drive rollers or units and the film being fed or inaccuracies in operation of the filling mechanism are immediately compensated by change in speed of the drive unit or operation of the filling and bag-forming mechansim to maintain relative alignment of bag closing with respective areas on the film, preventing accumulation of positioning errors and hence possible misalignment of printed information on the film with respect to the closing seams of the bag.
528164
Klinkel Wolfgang
Vits Dieter
Ilapak Research & Development S.a.
Macrae & Co.
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