Laminating device and method for laminating
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United States of America Patent
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May 7, 2013
Grant Date -
Jan 20, 2011
app pub date -
Aug 22, 2008
filing date -
Jun 29, 2007
priority date (Note) -
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Abstract
A method is described for providing a substrate foil (L0) with at least a laminating foil (L1) of material. The method comprises the steps of providing the substrate foil (L0) and the laminating foil (L1). And subsequently applying weakend portions (100) in the laminating foil (L1). The weakened portions extend in a direction transverse (Dtr) to a longitudinal direction of the laminating foil, and are spaced at intervals along the longitudinal direction. The weakened portions have a width (w) substantially smaller than the length (Δ) of said intervals, providing a tension to the laminating foil (L1) in the longitudinal direction (Dlong). Thereby the laminating foil (L1) is stretched in the weakened portions, attaching the stretched laminating foil (L1) to the substrate foil (L0).
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