The invention relates to a cross cutting device and a corresponding operating method for manufacturing cut-out portions from a flat material web which is moved in a direction of transportation. The device has two cross cutting units which each have a fixed blade and a rotating blade arranged on a rotational...http://www.google.es/patents/US7798039?utm_source=gb-gplus-sharePatente US7798039 - Cross cutting device and method for operating such a cross cutting device
Cross cutting device and method for operating such a cross cutting device