Vorrichtung zur In-Line-Perforation durchlaufender Materialbahnen

摘要

Device for in-line perforation of a continuous web of material in a gap between a pair of cylinders, the web being printed on at least one side thereof, both of the cylinders being held in side walls of a perforating unit and being driven, one of the cylinders carrying elements for perforating the web of material, includes a draw roller for drawing the web of material into the perforating unit, and a separate drive motor associated with the perforating unit and connected with the draw roller and the perforating-cylinder pair for simultaneously driving the draw roller and the perforating-cylinder pair.