Patent ID: 11731796

Abstract:
The invention relates to a device for, and method of, applying, drying and activating hot glue on the packaging machine itself. In the case of the basic option, the device works as follows: two assemblies (1) for applying and drying glue are positioned on the plates (3) of machine (M). Assemblies (1) are made up of consoles (11) mounted in a way that enables them to slide and move, their front end on the lever (32) and their rear end on the shaft (31) attached between two plates (3). The lever (32) is attached, by way of levers (33), between the plates (3). One device (12) for applying hot glue is attached to the consoles (11), just above the lever (32), while a number of fans (13) are fastened along the console (11), above the device (12), as well as on the opposite side. The heater (4) is horizontally attached to the carrier (42) and positioned in the opening (43) on the plate (41). The strip heater (7) is made up of an endless strip (71) and vertical heaters (72). In the case of the basic option, the method of applying, drying and activating hot glue on the packaging machine itself consists of the following: paper (5) from the roll (51) is introduced under the consoles (11). The devices (12) apply hot glue to the top side of the paper in a continuous strip (61) and a discontinuous strip (62). Strips of glue (61, 62) are dried by fans (13) and further transported through the machine (M), together with the paper (5). Once the product is packaged, packages reach a horizontal heater (4) which activates the glue (61, 62) on the bottom side of the package, after which product packages pass between vertical heaters (72) which activate the glue on the sides of packages.