FIELD: packaging industry.
SUBSTANCE: method of protection packing of mass consumption products from falsification is carried out by printing on the packaging or on the attachable to the production polymer heat shrink anisotropic material a linear symbols bar code with location of code strokes perpendicular to the direction of shrinkage of the material. The bar code printed without specifying its number is subject to partial local heat shrinkage, which makes the code inaccessible for reading. In order to control the authenticity of the products, the polymer material with the barcode is subjected to thermal action entirely, after which the code is decoded.
EFFECT: reliable product protection, the method is easy to implement.
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| Title | Year | Author | Number |
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