Method for the production of a film

Details Method for the production of a film Method for the production of a film

B - Operations, Transporting

65

D

B65D 65/28 (2006.01) B65D 75/62 (2006.01) B65H 35/02 (2006.01)

Patent

CA 2585991

The invention relates to method for the production of a film for tear-open packagings having a weakening line, whereby a film web having at least one film layer of a thermoplastic plastic is passed to a hot-embossing device, in which the film web is provided with a line-shaped embossing, whereby the film web is passed to a laser beam device, in which the film web is provided with a line-shaped laser seam, and whereby the embossing and the laser seam are in coverage and jointly form the weakening line.

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