B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
242/29
B65H 39/14 (2006.01) B65H 5/28 (2006.01) B65H 29/00 (2006.01)
Patent
CA 1320185
INVENTOR: URS K?LIN INVENTION: APPARATUS FOR WINDING UP AND UNWINDING PRINTED PRODUCTS INFED AND OUTFED IN AN IMBRICATED FORMATION BY MEANS OF A CONVEYOR ABSTRACT OF THE DISCLOSURE One end of a winding band is secured to a winding core. The winding band travels from a supply spool over a deflection roll rotating at a circumferential velocity corresponding to the conveying velocity of the product conveyor delivering the printed products. The winding core is driven during winding up of a product package formed of printed products and during the unwinding of the product package the winding core is braked whereas during such operations the supply spool is respectively braked or driven, as the case may be. To simplify the drive concept and to ensure for a faultless operation of the winding apparatus, both during winding up and during unwinding of the printed products, the winding core is operatively coupled with an electrical regulation motor and the core of the supply spool is operatively coupled with a rotating electrical machine, and in both rotational directions there is tapped off for the - 1 - rotational speed of the electrical regulation motor the reference or set value from the product conveyor essentially corresponding to the conveyor velocity and the actual value from the deflection roll essentially corresponding to its circumferential velocity, whereas the rotary electrical machine coupled with the core of the supply spool is operated in one rotational direction with braking slip and in the other rotational direction with drive slip. - 2 -
570780
Ferag Ag
Gowling Lafleur Henderson Llp
LandOfFree
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