Unitary light-tight self-locking package

Details Unitary light-tight self-locking package Unitary light-tight self-locking package

1991-11-25

1992-09-08

Foster, Jimmy G.

Envelopes, wrappers, and paperboard boxes

Paperboard box

With closure for an access opening

206395, B65D 8130, B65D 85671

Patent

active

051451093

ABSTRACT:
A unitary, light-tight, self-locking, flip-top package, for securely containing light-sensitive material, which comprises (1) a closable and openable rectanguloid box having bottom, front, rear, and opposite end walls and (2) a mating lid having a top wall movably connected to the box rear wall, with front and opposite end walls depending therefrom in close confronting relation to the corresponding box walls. The box and lid walls are all formed from a single paperboard blank that is specially configured with various panels, flaps, and tabs adapted to be readily folded into close interlocking relationships, to provide a unitary, light-tight, flip-top package which can also be readily unfolded and stored in flat condition for reuse.

REFERENCES:
patent: 690575 (1902-01-01), Herre
patent: 1425713 (1922-08-01), Stokes
patent: 1994541 (1935-03-01), Spiking
patent: 2588377 (1952-03-01), Frankenstein
patent: 2640642 (1953-06-01), Frankenstein
patent: 2650015 (1953-08-01), Frankenstein
patent: 4306687 (1981-12-01), Hadke
patent: 4326634 (1982-04-01), Meyers
patent: 4391405 (1983-07-01), Drinon
patent: 4405066 (1983-09-01), Roccaforte
patent: 4417678 (1983-11-01), Roccaforte
patent: 4645108 (1987-02-01), Gavin et al.
patent: 5022524 (1991-06-01), Grady
patent: 5029709 (1991-07-01), Faulstick

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