Rotary disc cutter, method of fixing the rotary disc cutter and method of removing the rotary disc cutter

摘要

A rotating disc knife, in particular for cutting the paper cover of cigarettes, provided with a mounting opening for mounting the knife onto a cutting assembly shaft and with a plurality of cutting teeth ( 1 , 2 ) located around the circumference of the disc (6), wherein the mounting opening ( 7 ) in the disc ( 6 ) of the knife connects with the cutting edge (5) of the disc at a point (8) where the edge (5) of the knife is discontinuous. A method of mounting/dismounting a rotating disc knife provided with a mounting opening onto/from a cutting assembly shaft provided with a plurality of such disc knives.