Folding carton blank and method of forming same

Details Folding carton blank and method of forming same Folding carton blank and method of forming same

B - Operations, Transporting

65

D

B65D 5/42 (2006.01) B31B 1/62 (2006.01) B31B 5/36 (2006.01)

Patent

CA 2072066

2072066 9208653 PCTABS00013 A modified glue flap (20) of a folding carton blank (26) for preventing glue from being squeezed out during the step of adhering the glue flap to the opposite end panel (12). The face (54) of the glue flap (20) engaged by the glue back-up wheel (34) includes a protrusion (50) near the trailing edge of the flap. Engagement of the protrusion (50) by the back-up wheel (34) causes the glue wheel (32) to skip the trailing area of the flap (20). The absence of glue in this area prevents glue from being squeezed out when sealing pressure is subsequently applied to the glue flap (20) and the opposite end panel (12). The protrusion may take the form of an embossed ridge (60), forming a channel (62) on the opposite side of the protrusion for receiving any excess glue which would have been squeezed out.

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