Method for producing a flat bottom plastic bag

Details Method for producing a flat bottom plastic bag Method for producing a flat bottom plastic bag

B - Operations, Transporting

31

B

93/35, 93/39

B31B 33/00 (2006.01) B31B 29/00 (2006.01) B31B 35/00 (2006.01)

Patent

CA 1114215

METHOD FOR PRODUCING A FLAT BOTTOM PLASTIC BAG ABSTRACT OF THE DISCLOSURE A flat-bottom bag is produced from a heat sealable tubular material having gusseted sides by clamping front and back walls in a central longitudinal region, flaring the gussets outward to about 180° to provide a corner gusset tuck and refolding the gussets to their original position with the corner tucks in position between the gussets. S P E C I F I C A T I O N 1.

321830

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