Top gap folding box having a top closure interlock

Details Top gap folding box having a top closure interlock Top gap folding box having a top closure interlock

1979-11-19

1981-07-21

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

B65D 510

Patent

active

042793785

ABSTRACT:
A top gap folding box having four top flaps and a top closure by which the flaps are engaged. Each flap interlocks the adjacent flaps by means of a pair of incisions in the outer edge of the flap which each engage an associated incision in each of the adjacent flaps. The incisions are of a configuration permitting smooth engagement. The material of which the box is made is of a stiff nature, having resistance to bending.

REFERENCES:
patent: 2451644 (1948-10-01), Wood
patent: 2614883 (1952-10-01), Anderson, Jr. et al.
patent: 2677494 (1954-05-01), Buttery
patent: 3055570 (1962-09-01), Hamilton
patent: 3074613 (1963-01-01), Cupo
patent: 3272421 (1966-09-01), Perry
patent: 3319869 (1967-05-01), Ostwald
patent: 3337115 (1967-08-01), Jones
patent: 3580477 (1971-05-01), Roth
patent: 3770187 (1973-11-01), Faires et al.
patent: 4017018 (1977-04-01), Pellation

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