TOOL AND METHOD FOR EMBOSSING PACKAGING MATERIAL WITH AN EMBOSSING PATTERN HAVING A CODE WITH LOW VISIBILITY AND METHOD OF READING A CODE

摘要

An embossing tool for embossing a combined embossing pattern into a packaging material, the combined embossing pattern including decoratively embossed structure and at least one embossed code, the embossing tool including a male and a female embossing device for cooperating with each other, embossing structures of the male and female embossing device formed to produce the combined embossing pattern into the packaging material in an embossing gap, the embossing structures of the male and the female embossing device include first embossing structures intended for making the at least one embossed code, which are inverse congruent male and female embossing structures having a polyhedral shape, and the decoratively embossed structures and the at least one embossed code produced by the embossing structures are arranged such that the at least one embossed code has a reduced visibility as compared to the decoratively embossed structures.