Patent ID: 6836331
Filing Date: 2004-12-28
Classification: B31F

Abstract:
An apparatus for detection of accuracy of format of a web of corrugated board (1) moved in a conveying direction (5) and wherein the web comprisesa first and a second smooth liner (2, 3); and at least one corrugated paper web (4) disposed between the liners (2, 3); several profiled patterns running in the conveying direction (5), including lateral edges (18, 19), and at least one of at least one lengthwise cut (8), which divides the web of corrugated board (1) into partial webs (1a, 1b), and at least one lengthwise groove (6a, 6b; 7a, 7b); wherein said apparatus comprises at least one sensor (10, 11) displaceable crosswise of the conveying direction (5) for the detection of the position of at least two of said profiled patterns relative to each other, which sensor (10, 11) is in working connection with an evaluation equipment (15) for determination of the distance (c, d; e, f; g, h) of said at least two profiled patterns from each other, and wherein a control equipment (16) is in working connection with the evaluation equipment (15).