Carton with self-locking end closure and blank for forming same

Details Carton with self-locking end closure and blank for forming same Carton with self-locking end closure and blank for forming same

1980-03-03

1981-09-29

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

B65D 510

Patent

active

042918278

ABSTRACT:
A carton and a blank for forming same has self-locking end closure flaps which are hingedly coupled to adjacent end edges of the side walls of the carton. Each flap of one pair of opposed end closure flaps has two elongated slots oriented at acute angles relative to the fold line between the respective panel and flap. Each flap of the other pair of opposed end closure flaps has angular side edges oriented at acute angles relative to the fold line between the respective panel and flap and a pair of tabs extending from those angular side edges. When fully assembled, the tabs are received in respective slots and overlie interior surfaces of the one pair of end closure flaps.

REFERENCES:
patent: 2053857 (1936-09-01), Weiss
patent: 2151733 (1939-03-01), Bonfield
patent: 2361603 (1944-10-01), Cohen et al.
patent: 2481288 (1949-09-01), Cage
patent: 2649240 (1953-08-01), Gilbert
patent: 2955737 (1960-10-01), Arneson
patent: 3074613 (1963-01-01), Capo
patent: 3178096 (1965-04-01), Reeves et al.

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