Patent ID: 7367251
Filing Date: 2008-05-06
Classification: B26D,Y10T

Abstract:
1. A method of format change of a system for cutting a continuous web of corrugated board ( 2 ), which is conveyed in a conveying direction ( 3 ) and has two lateral margins ( 31 , 32 ), into several continuous sectional webs of corrugated board (B 1 , B 2 , B 3 , B 4 ), having a first and a second group of longitudinal-cutter tools ( 14 , 15 ), the method comprising the following steps: a. producing two first external longitudinal cuts (L b. disengaging at least a part of the first group of longitudinal-cutter tools ( c. engaging at least a part of the second group of longitudinal-cutter tools ( d. producing two second external longitudinal cuts (L e. producing an internal connecting cut (Q f. producing two external connecting cuts (Q g. wherein the longitudinal cuts (L h. wherein the external connecting cuts (Q i. wherein an area of overlap (U) is defined as the area between a first line that is located on the first internal longitudinal cut (L j. wherein further first longitudinal cuts (L k. wherein each first longitudinal cut (L