B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
270/39
B65H 29/66 (2006.01) B65H 29/00 (2006.01)
Patent
CA 1225107
INVENTOR: WERNER HONEGGER INVENTION: METHOD AND APPARATUS FOR FORMING MULTI-LAYER COILS FROM SUBSTANTIALLY FLAT, FLEXIBLE PRODUCTS, ESPECIALLY PRINTED PRODUCTS, ARRIVING IN IMBRICATED PRODUCT FORMATION ABSTRACT OF THE DISCLOSURE Before winding-up the printed products arriving in imbricated product formation, the thickness of the imbricated product formation travelling toward a winding mandrel, respectively toward a product coil or package forming thereupon, is regulated to a prescribed value. This is effected by spreading or compacting the printed products within the imbricated product formation. For this purpose a first conveyor device is driven at higher or lower speed than a second preceding conveyor device. The imbricated product \ formation of prescribed thickness is wound-up upon the winding mandrel together with a winding strap maintained under tension which always lies upon the outer side of the coil layer being formed. By regulating the thickness of the imbricated product formation to be wound-up so as to have a prescribed value which remains essentially constant throughout the winding-up procedure, it is possible to form product coils of essentially constant diameter with a prescribed constant length of winding strap independently of the thickness of the arriving printed products. - 1 -
463455
Ferag Ag
Gowling Lafleur Henderson Llp
LandOfFree
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