Method for providing a laminate web with a firm edge strip

Details Method for providing a laminate web with a firm edge strip Method for providing a laminate web with a firm edge strip

B - Operations, Transporting

29

C

154/83

B29C 65/00 (2006.01) B65D 3/22 (2006.01)

Patent

CA 1036919

ABSTRACT OF THE DISCLOSURE The present invention provides a method for producing, at the division of a laminate web comprising a central base layer with layers of coating material applied to either side into a number of separate webs, a strip of one of the layers of coating material projecting beyond the base layer in which the laminate at each place of division is cut through partially from both sides to provide oppositely directed cuts which are laterally displaced in respect of one another by a distance corresponding to the des- ired width of said strip, the one cut extending fully through the one layer of coating material, the other cut extending fully thr- ough the other layer of coating material and substantially through the base layer that the webs formed by the cuts being removed from one another so that the laminate strip situated between the cuts is delaminated.

233453

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