Process and machine for the manufacture of bags having attached handles

Claim 1

A PROCESS FOR THE CONTINUOUS MANUFACTURE OF BAGS HAVING ATTACHED FLAT PAPER HANDLE, IN ONE SINGLE OPERATION AND IRRESPECTIVE OF THEIR FORMAT, AND ESPECIALLY OF BAGS HAVING HANDLES STUCK TO THEIR INNER WALLS, WITH REINFORCING STRIPS, COMPRISING THE STEPS OF FORMING TRANSVERSE SLOTS IN A FIRST STRIP OF MATERIAL FOR THE BAG UNWINDING FROM A REEL, DEPOSITING HANDLES IN SAID SLOTS ON THE FACE OF SAID STRIP, FORMING SAID HANDLES FROM A NARROW SECOND STRIP FOLDED UPON ITSELF, CUTTING SAID SECOND STRIP, FOLDING TWO END STANDS OF SAID SECOND STRIP AT 90* IN THE PLANE OF SAID SECOND STRIP, PRESSING SAID HANDLES UPON SAID FIRST STRIP AFTER GLUING SAID SECOND STRIP IN PREDETERMINED ZONES THEREOF, DEPOSITING AND STICKING A REINFORCING STRIP, OVER SAID HANDLES AND SAID FIRST STRIP OF MATERIAL, FOLDING SAID FIRST STRIP OF MATERIAL TO FORM A CONVENTIONAL TUBE, PUTTING SAID HANDLES AND SAID REINFORCING STRIPS INTO EXACT SUPERPOSITION, CUTTING OFF SAID TUBE TO SEPARATE ITS UNSLOTTED PART IN LINE WITH SAID SLOTS, ACCELERATING SAID FLATTENED TUBULAR SECTION, IN ORDER TO DISENGAGE SAID HANDLES COMPLETELY FROM THE FOLLOWING SECTION OF SAID TUBE, AND FOLDING THE BOTTOM OF SAID TUBE.