Patent ID: 8447425
Filing Date: 2013-05-21
Classification: B32B,B65H,Y10T

Abstract:
1. An adaptive assembly line for assembly of a continuous first web to a continuous or discontinuous second web, the assembly line being arranged to feed the first web and the second web in a machine direction, the assembly line comprising a control device comprising a first camera arranged to take a first picture of the first web, the control device comprising a first transformer for transforming the first picture into a first signal, the control device being arranged to control the position of the first web with relation to the second web, wherein the first camera is arranged to take the first picture before assembly of the first web to the second web and the control device is arranged to use the first signal for determining the position of a first center line in the first web by detecting a pattern in the first web, the control device is arranged to calculate the position of the first center line in the first web with regard to the pattern comprised in the first web, the control device is arranged to use the first signal for controlling the position of the first web or the second web so that the first center line becomes aligned with a second center line comprised in the second web during assembly of the first web to the second web.