PACKAGING MATERIAL FOR LIQUID FOOD PRODUCTS, SYSTEM AND METHOD FOR APPLICATION OF OPENING TO PACKAGING MATERIAL

摘要

FIELD: packaging equipment. ;SUBSTANCE: laminated packaging material for the manufacture of a container (10) for liquid foodstuffs containing cardboard having a non-white color (2), or a film (2) located on cardboard, a pre-laminated hole (3) located on a section of the opening in the cardboard. Moreover, the first contrast zone (4) is located next to the pre-laminated hole and is printed in the first color, which is selected in such a way that a high contrast between the first color and the pre-laminated hole is achieved. ;EFFECT: group of inventions makes it possible to detect a pre-laminated hole for placing the opening device on the packaging material. ;30 cl, 9 dwg