Machine for the production of plastic film bags with means for positioning the output end of a film and the leading end of a film reserve relative to each other.

摘要

It ARISES a machine for bag production PLASTIC FILM WHICH heat sealed FROM A REEL CONTAINING MATERIAL IN THE FORM OF STRIP, AND FILLING OF SUCH ARTICLES bags. The machine comprises means for supporting and unwinding a first reel of material (B1); Means for supporting a second spool RESERVE (B2); And means (41, 49) CUTTING AND WELDING MATERIAL IN THE FORM OF STRIP (N) TO PERFORM AUTOMATICALLY UNION BETWEEN THE REAR END STRIP being unwound from the first reel AND FRONT END STRIP ON the second spool when the first reel is about to end. TO CARRY THE STRIP ON THE REEL (B1) AND PUT IT IN PHASE WITH STRIP REEL (B2), SUPPLIED means (5, 7, 9) The establishment of a predetermined length ROAD MATERIAL IN THE FORM OF STRIP BETWEEN MEDIA forming, filling and sealing the bags and means (41, 49) for cutting and welding MATERIAL IN THE FORM OF STRIP; A first reference (151) MEANS OF WELDING AND CUT STRIP; And a second reference (153) PULLING FOR SECOND REEL.