Method of forming a gusseted purse for pocket receptacles

Claim 1

THE METHOD OF FORMING A GUSSETED PURSE FROM DIELECTRIC THERMOPLASTIC SHEETING FOR INCORPORATION IN A MAIN RECEPTACLE STRUCTURE WHICH COMPRISES, FORMING FROM SUCH SHEETING A BLANK INCLUDING A REAR WALL PORTION AND A FRONT WALL PORTION JOINED TOGETHER ALONG ALINE FORMING THE BOTTOM OF THE PURSE EACH SAID WALL PORTION HAVING A HALF GUSSET PORTION EXTENDING FROM EACH SIDE EDGE THEREOF AND THE REAR WALL PORTION HAVING A CLOSURE FLAP EXTENDING FROM THE REMAINING FREE EDGE THEREOF, PROVIDING SAID FRONT WALL PORTION AND FLAP WITH OPENINGS POSITIONED TO RECEIVE THE MEMBERS OF A SNAP FASTENER AND PROVIDING SAID REAR WALL SECTION WITH TWO SIMILAR OPENINGS, DIELECTRICALLY MOLDING FOLD LINES IN THE BLANK BETWEEN EACH GUSSET PORTION AND THE ADJACENT WALL PORTION AND ALONG THE LINE OF JUNCTURE BETWEEN THE WALL PORTIONS WHILE THE BLANK IS HELD POSITIONED BY PINS EXTENDING THROUGH SAID OPENINGS, FOLDING THE FRONT WALL PORTION ONTO THE REAR WALL PORTION ALONG THE FOLD LINE BETWEEN THE WALLS TO POSITION THE HALF GUSSET PORTIONS AT THE RESPECTIVE SIDES OF SAID WALL PORTIONS IN SUPERPOSED RELATION WITH THEIR FREE SIDE EDGES COINCIDING AND TO POSITION THE OPENING IN THE FRONT WALL AND ONE OF THE OPENINGS IN THE REAR WALL IN ALIGNMENT, DIELECTRICALL WELDING SAID COINCIDING FREE GUSSET SIDES EDGES TOGETHER WHILE THE FOLDED BLANK IS HELD POSITIONED BY PINS EXTENDING THROUGH SAID OPENINGS, TURNING THE STRUCTURE INSIDE OUT TO POSITION THE GUSSETS INWARDLY BETWEEN THE FRONT AND REAR WALLS OF THE PURSE, POSITIONING THE PURSE WITH ITS REAR WALL UPWARDLY ON A PLATEN EXTENDING INTO THE PURSE, PROVIDING A BLANKED OUT WALL MEMBER OF A MAIN RECEPTACLE WITH SPACED OPENINGS CORRESPONDING TO THOSE IN THE REAR WALL OF THE PURSE, SUPERPOSING SAID WALL MEMBER FACE DOWNWARD ON THE REAR WALL OF THE PURSE WITH THE OPENINGS IN THE REAR WALL OF THE PURSE AND SAID MEMBER IN ALIGNMENT AND DIELECTRICALLY WELDING SAID MEMBER TO THE PURSE WHILE THE PURSE AND WALL MEMBER ARE POSITIONED BY PINS CARRIED BY THE PLATEN AND EXTENDING THROUGH SAID ALIGNED OPENINGS.

Claim 2

THE METHOD OF FORMING A GUSSETED PURSE FROM DIELECTRIC THERMOPLASTIC SHEETING FOR INCORPORATION IN A MAIN RECEPTACLE STRUCTURE WHICH COMPRISES, FORMING FROM SUCH SHEETING A BLANK INCLUDING A REAR WALL PORTION AND A FRONT WALL PORTION JOINED TOGETHER ALONG ALINE FORMING THE BOTTOM OF THE PURSE EACH SAID WALL PORTION HAVING A HALF GUSSET PORTION EXTENDING FROM EACH SIDE EDGE THEREOF AND THE REAR WALL PORTION HAVING A CLOSURE FLAP EXTENDING FROM THE REMAINING FREE EDGE THEREOF, PROVIDING SAID FRONT WALL PORTION AND FLAP WITH OPENINGS POSITIONED TO RECEIVE THE MEMBERS OF A SNAP FASTENER AND PROVIDING SAID REAR WALL SECTION WITH TWO SIMILAR OPENINGS, DIELECTRICALLY MOLDING FOLD LINES IN THE BLANK BETWEEN EACH GUSSET PORTION AND THE ADJACENT WALL PORTION AND ALONG THE LINE OF JUNCTURE BETWEEN THE WALL PORTIONS WHILE THE BLANK IS HELD POSITIONED BY PINS EXTENDING THROUGH SAID OPENINGS, FOLDING THE FRONT WALL PORTION ONTO THE REAR WALL PORTION ALONG THE FOLD LINE BETWEEN THE WALLS TO POSITION THE HALF GUSSET PORTIONS AT THE RESPECTIVE SIDES OF SAID WALL PORTIONS IN SUPERPOSED RELATION WITH THEIR FREE SIDE EDGES COINCIDING AND TO POSITION THE OPENING IN THE FRONT WALL AND ONE OF THE OPENINGS IN THE REAR WALL IN ALIGNMENT, DIELECTRICALL WELDING SAID COINCIDING FREE GUSSET SIDES EDGES TOGETHER WHILE THE FOLDED BLANK IS HELD POSITIONED BY PINS EXTENDING THROUGH SAID OPENINGS, TURNING THE STRUCTURE INSIDE OUT TO POSITION THE GUSSETS INWARDLY BETWEEN THE FRONT AND REAR WALLS OF THE PURSE, POSITIONING THE PURSE WITH ITS REAR WALL UPWARDLY ON A PLATEN EXTENDING INTO THE PURSE, PROVIDING A BLANKED OUT WALL MEMBER OF A MAIN RECEPTACLE WITH SPACED OPENINGS CORRESPONDING TO THOSE IN THE REAR WALL OF THE PURSE, SUPERPOSING SAID WALL MEMBER FACE DOWNWARD ON THE REAR WALL OF THE PURSE WITH THE OPENINGS IN THE REAR WALL OF THE PURSE AND SAID MEMBER IN ALIGNMENT AND DIELECTRICALLY WELDING SAID MEMBER TO THE PURSE WHILE THE PURSE AND WALL MEMBER ARE POSITIONED BY PINS CARRIED BY THE PLATEN AND EXTENDING THROUGH SAID ALIGNED OPENINGS.