B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
B65B 41/12 (2006.01) B31B 1/10 (2006.01) B65B 41/14 (2006.01)
Patent
CA 2470604
The present invention relates to a packaging machine which has transport means in the form of two transport chains (5, 6) for lateral grasping and transporting of a length of material (7) consisting of packaging material. In particular with longer plants above approximately 10m in transport length the stretching property of the transport chains owing to the load has a marked effect on the precision of the transport distance. This results in fluctuations of the transport distance between the two transport chains and therefore distortions of the length of material, which, depending on the type of packaging material, can even lead to tearing of the length of material. In order to minimise these fluctuations, the first transport means (5) has a first engagement element (10) engaging in the first transport means (5) and the second transport means (6) a second engagement element (11) engaging in the second transport means (6), the first engagement element (10) being coupled to the second engagement element (11) in such a way that the two engagement elements are synchronised.
Goudreau Gage Dubuc
Multivac Sepp Haggenmueller Gmbh & Co. Kg
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