Abstract: A device and the related process for the continuous, warm smearing of a thin, hotmelt adhesive layer onto a plastic film (8) to be coupled with a paper support, comprising a blade (1) dosing device for the hotmelt adhesive, with means for adjusting the width of the adhesive strip to be applied as well as the thickness of the same; also comprising a further device for applying the adhesive onto said plastic film, mainly consisting of coupled dispensing roller means (2) and pushing roller means (3); sensor means (5) for bearing and adjusting the detachment position from the dispensing roller means (2) of the smeared film (8), and a device for further spreading and leveling of the film (8) consisting of the coupling of the spreading roller means (4) with pushing roller means (3), wherein the spreading roller means (4) may be possibly artificially cooled down.