Reinforced corner interlock on tray

Details Reinforced corner interlock on tray Reinforced corner interlock on tray

1983-11-18

1985-10-15

Price, William

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 32, 229 35, B65D 522

Patent

active

045469130

ABSTRACT:
A collapsible box is formed of a single cardboard sheet and includes a rectangular bottom panel, side panels extending from opposite sides of the bottom panel, and end panels extending from opposite ends of the bottom panel. Each end panel has corner flaps, each of which includes a plurality of panels bent with respect to each other to form a triangular reinforcement of a corner formed by respective side and end panels. Each end panel has extending therefrom a top panel which extends horizontally over tops of respective reinforcements. End flaps extend from ends of each top panel and extend downwardly therefrom. Each side panel has formed therein upwardly facing cut-outs, and each end flap has extending downwardly therefrom an extension which fits into a respective cut-out. Each top panel has formed therein slits, and each corner flap has extending from one of the panels thereof a tongue which fits into a respective slit.

REFERENCES:
patent: 2654526 (1953-10-01), McReary
patent: 3375967 (1968-04-01), Robinson
patent: 3871570 (1975-03-01), Garmon
patent: 4385721 (1983-05-01), Olsen et al.
patent: 4418863 (1983-12-01), Kimbell, Sr.

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