Gluing unit for sealed package of food products

Abstract

A gluing unit (1) for applying adhesive to a succession of opening devices (3) to be fitted to respective sealed packages of food products pourable into a tube of packaging material, the unit having conveying means for feeding the opening devices (3) along a path (A); and adhesive dispensing means (21, 22) which are located along the path (A), interact with each opening device (3) to apply adhesive to a portion (12, 13) of the opening device (3), and are movable in a plane (P) parallel to the path (A); the dispensing means (21, 22) also being movable crosswise to the plane (P).