Patent ID: 6202527
Filing Date: 2001-03-20
Classification: B26D,B41J,G03B,Y10T

Abstract:
Cutting arrangement for a material web comprising:a knife roller for cutting the material web;a drive motor and controller for moving the knife roller between at least two outer starting positions coinciding with at least two turn back positions transverse to a material web for performing one cut, the drive motor starting the cutting movement of the knife roller in one cutting direction at a first starting position associated with a material web width, the first starting position being one of the at least two outer starting positions or one of at least two inner starting positions located between the at least two outer starting positions, and moving the knife roller after completion of the cut to the turn back position proximal to said knife roller, and back to a second starting position associated with the other cutting direction for the material web width provided that the second starting position does not coincide with one of said turn back positions;an inner hold-down member operable by the knife roller to clamp down the material web and positioned between the at least two inner starting positions; andan outer hold-down member operable by the knife roller to clamp down the material web and positioned in the regions between the inner starting positions and the outer starting positions.