Device and method for making a groove in cardboard blanks

摘要

The device (1) has several endlessly around rollers (54) that are surrounded and spaced apart from each other. The transport drum (11) is provided with an inlet (14) and an outlet (15) such that paperboard blanks (2) are conveyed to the drum casing through belt (51). The groove cutting tools (72,72',72'') are positioned between the belt on circumference of transport drum. The groove cutting tool is moved relative to transport drum during operation of grooving of drive unit (79) to drive guide elements (78,80). An independent claim is included for method for grooving paperboard blank.