Process for manufacturing a multi-layer packaging film

Details Process for manufacturing a multi-layer packaging film Process for manufacturing a multi-layer packaging film

B - Operations, Transporting

65

B

B65B 61/02 (2006.01) B29C 59/00 (2006.01) B32B 38/04 (2006.01) B65D 75/58 (2006.01)

Patent

CA 2364649

A process for manufacturing a multi-layer packaging film (10) for an easy-open form of packaging (20), having at least one line of perforations (18, 18') which are provided in a plastic surface layer of the packaging and serve as an aid for alignment of a tear line propagating in the packaging film (10) on tearing open the packaging, is such that the perforations (18, 18') are cut into a surface layer which is in the form of a film (14) and the said pre-cut film (14) is joined to the other layers (12) to make up a composite film (10).

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