METHOD FOR CODING OF A WEB-LIKE MATERIAL TO BE PROCESSED FURTHER

摘要

Coding of a web-like material to be processed further, whereat an invisible identification code concerning said material is applied to at least one face of the web-like material. The code may include data essential in view of further processing of the web-like material. The code in accordance with the invention extends from edge to edge on the web, as a rule, as a continuous code. In the method in accordance with the invention, the marking takes place in connection with the process of manufacture of the web-like material so that, for example, a roll similar to a roll or resembling a rider roll is used or by means of a procedure of a jet type.