Method of providing score lines in packaging material

Details Method of providing score lines in packaging material Method of providing score lines in packaging material

B - Operations, Transporting

29

C

327/1.5

B29C 53/06 (2006.01) B23K 26/08 (2006.01) B23K 26/40 (2006.01) B29C 59/00 (2006.01) B31B 1/25 (2006.01) B29C 35/08 (2006.01) B29C 37/00 (2006.01)

Patent

CA 1324420

Title: A method of providing score lines in packaging material ABSTRACT OF THE DISCLOSURE A method of providing score lines in packaging material by local evaporation by means of a laser beam, the laser beam and the packaging material being relatively movable. The score lines are provided in a recurring pattern on at least one side of a web of packaging material advancing at uniform, adjustable speed. The intensity of the laser beam is adjustable and the laser beam is moved in two mutually perpendicular directions under the control of pattern-dependent signals.

610280

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