METHOD OF DETECTING ADHESIVE MATERIAL ON A BLANK FROM WHICH TO FORM A CONTAINER FOR TOBACCO ARTICLES

A method of detecting adhesive material applied to a blank from which to form a container for tobacco articles, wherein the adhesive material forms at least one continuous mass of adhesive material on one face of the blank; the method providing for reproducing an image of at least one part of the face including a first portion corresponding to the face portion covered by the mass, and a second portion corresponding to the face portion free of the mass; electronically defining an application region in the image; and emitting a cover signal depending on the portion of the application region occupied by the first image portion.