Patent 9993932 was granted and assigned to Vits International on June, 2018 by the United States Patent and Trademark Office.
A rotary cutter system for cutting a web of material being feed into the rotary cutter at a press speed that includes a cutting cylinder, an anvil cylinder and a servo motor. The rotary cutter includes a controller that controls the speed of rotations of the cylinders. Control of the speed of cutting and anvil cylinders allows for the adjustment of the cut length of the material without having to adjust the position of knives in the cutting cylinder.