Patent ID: 8486500
Filing Date: 2013-07-16
Classification: B31B,Y10T

Abstract:
1. A flat bag, comprising: a first panel, a second panel and gusseted side panels, wherein each side panel joins the first panel and the second panel along respective longitudinal folds; each side panel having a center gusset fold; each side panel having a tuck forming, folding geometry with folds intersecting at junctions with the longitudinal folds, and intersecting at an apex along the center gusset fold; a first region of the bag being flattened, wherein the first region extends between a bottom end of the bag and a first transverse crease, the first transverse crease extending in the first panel, the second panel and the gusseted side panels and intersecting approximately the aforesaid apex along the center gusset fold; a second region of the bag being flattened and extending between the bottom end of the bag and a second transverse crease; a flat bottom of the bag provided by the aforesaid second transverse crease extending transversely across the first panel, the side panel and each gusseted side panel and intersecting approximately said respective aforesaid junctions with the longitudinal folds; a turned back portion of the first panel in the second region being turned back on itself and folded along the first transverse crease; the first region being pivoted and flattened against the turned back portion of the first panel, and the turned back portion of the first panel being attached to the bag with adhesive.