Device for building section or perforation in print substrate web moving in transport plane in its transport direction, has fixed top knife and lower knife that cooperates with top knife

摘要

The device has a fixed top knife and a lower knife that cooperates with the top knife. The transport plane of a print substrate web is arranged between the top knife and the lower knife. The transport plane of the print substrate web has a selective operating position depending on a control function executed by a control unit in which the top knife engages in the print substrate web. Another operating position is provided in which the top knife is engaged outside the print substrate web.