Folded blank container including top panel lock tab feature

Details Folded blank container including top panel lock tab feature Folded blank container including top panel lock tab feature

1976-01-19

1976-08-10

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 45R, 229 36, 229 34R, B65D 522

Patent

active

039737233

ABSTRACT:
A container blank is disclosed for forming a carton having bottom, side and end walls, and top flaps connected with the side walls, said top flaps having locking tabs adapted for insertion within locking slots contained in fold line means at the upper edges of the end walls. Each locking tab is folded to define inner first and outer second tab portions, said second tab portion being adapted to resiliently expand outwardly to a position in which the free extremity thereof extends into a locking recess contained in the end wall. To release the second locking tab portion, an object such as the user's finger is inserted into a releasing aperture contained in the end wall to displace the second locking tab inwardly, thereby to permit opening of the container top flaps.

REFERENCES:
patent: 2412402 (1946-12-01), Huye
patent: 2439959 (1948-04-01), Anderson, Jr.
patent: 2536948 (1951-01-01), Lehman
patent: 2608340 (1952-08-01), Donnell
patent: 2843307 (1958-07-01), Goltz
patent: 2858058 (1958-10-01), Kitchell
patent: 3669341 (1972-06-01), Hughes
patent: 3820706 (1974-06-01), Gibson

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