Patent ID: 9327485
Filing Date: 2016-05-03
CPC Classification: B31F,B32B

Claim Text:
1. A laminating unit to manufacture a multi-layer composite, including a first web and a second web, in a laminating machine, comprising: a laminating rotating roll, conveying the first web and laminating the first web onto the second web; driving means, rotating the laminating rotating roll; gripping means, maintaining the first web in contact with the laminating rotating roll; first detection means emitting first detection signals in accordance with detected longitudinal positions of the first web; second detection means emitting second detection signals in accordance with detected longitudinal positions of the second web; and control means, configured to increase or decrease a rotational speed of the driving means and of the laminating rotating roll as a function of the first and second detection signals, as required to correct a longitudinal position of the first web relative to the second web, and to cause the laminating rotating roll to laminate the first web onto the second web, such that the first web is laminated onto the second web in register with the second web, the laminating rotating roll being configured to remain in a position such that the first web is in contact with the second web, while registration of the first web with the second web occurs.