Packaging film

Abstract

The present invention relates to a long packaging film that is unwound from a raw material roll, cut to the required length for use in packaging food products, and as shown in the reference enlarged cross-sectional view, it is composed of a laminated film consisting of a base layer made of plastic film with a thickness of about 15 μm and a sealing layer with a thickness of about 20 μm. A linear groove of about 0.2 to 0.5 mm is continuously provided in the longitudinal direction near the center of the base layer, with the non-sealing layer cut out, and a strip-shaped printing ink layer with a width of 5 mm or more is continuously provided in the longitudinal direction on both sides of the groove.

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