SYSTEM UND ANLAGE ZUR HERSTELLUNG UND FUELLUNG VON FLEXIBLEN STERILISIERBAREN SAECKEN

The system foresees the sequence phases: film feeding from at least one reel; the eventual print; the washing in two stages by ultrasonic vibrations and water; the drying; the alignment; the treatment by ultraviolet rays; a plying at 270 DEG C on one or more films in parallel; the application of at least one valve; a first welding; a punching; the print of the batch number; the filling of the bag with liquid and inert gas; a second welding orthogonal to the former one; the cut and, preferably, the test in line; the packaging under vacuum and/or megablister; and the final cut. The machine necessary for the realization of the system includes, among other equipements, the film unwinding unit supplied with braking device, at least one ultrasonic washing tank and at least a tank with water nozzles fed from a closed circuit with distilled water; a film alignment device preceding the folding prism at 270 DEG ; a double filling pipe and a test band synchronous with the main transport roller.