a procedure for the covering of editorial items foresees at least the following steps : the positioning of an editorial object to be covered , on a thermoplastic film , fitted with folds on its sides , so that the editorial object , open on the folded film indicated , has the sides of its cover tucked within the folds ; to bring the editorial object in contact with the head weld of the film so that it is in a suitable position for the cutting of the excess film and for the welds required to trim the sides of the editorial object , where the cutting and trimming operations are carried out through the use of a lever , fitted with hot resistances . the invention comprise also a device for the covering of editorial objects .