Composite packaging material

Abstract

The invention discloses a composite packaging material, which has a plurality of units for forming individual packages. The packaging material has a base layer, a printing layer and a waterproof layer from the inside to the outside. It is characterized in that each unit is provided with a unique first An identification code, the first identification code is printed on the base layer, the printing layer is above the first identification code, and a scratchable shield is provided between the first identification code and the printing layer Floor. The composite packaging material proposed by the present invention enables the unique first identification code corresponding to each product to be set in the hidden position of the product packaging. When the product packaging is not damaged, the first identification code cannot be read, which can effectively prevent the product from Before the sale, the first identification code may be stolen and invalidated.

Description

technical field [0001] The present invention relates to a composite packaging material, in particular to a composite packaging material for liquid beverage packaging. Background technique [0002] Liquid foods, such as milk and yoghurt, and semi-liquid foods, such as juice, are usually sold in small volume consumer packaging containers. The packaging container is used to protect food throughout the value chain during transport and handling. [0003] Such packaging containers are formed from a continuous roll of packaging material that can be slit to form blanks, or sealed longitudinally to form tubes of packaging material, which are then sealed into shape while filling the contents, and finally sealed in the folding process. The bits are folded into the shape of the final package. [0004] For liquid or semi-liquid foods, current packaging containers are made of paper-based composite packaging material with a paper fiber core surrounded by one or more layers of barrier mat...

AI Technical Summary

Problems solved by technology

The purpose of cross-selling is to make profits. It is a vicious marketing phenomenon in which company branches or intermediaries in the business network are driven by interests to sell the products they distribute across regions, causing market crowding and price confusion, and seriously affecting the reputation of manufacturers.

Images