Interlock between telescoping cover and tray

Details Interlock between telescoping cover and tray Interlock between telescoping cover and tray

1983-07-06

1985-07-30

Price, William

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 23BT, 229 31R, 206604, 206607, B65D 554

Patent

active

045316694

ABSTRACT:
A self locking container is provided of the telescoping tray and cover type wherein the components are normally collapsed for storage but which may be squared for filling, closing and shipment. The locking elements comprise an outfolded locking flange on the tray component and a combination glue flap/locking flap arrangement infolded on the cover component. The container may also include a convenient removable tab element for releasing the locked components for opening the container and corner tab elements for retaining the normally collapsed side walls of the tray component in an upright condition for filling and closing.

REFERENCES:
patent: 1130271 (1915-03-01), Hammond
patent: 2021980 (1935-11-01), Bachmeyer
patent: 2073272 (1937-03-01), Wellman
patent: 2171051 (1939-08-01), Stonecypher
patent: 2369385 (1945-02-01), Carruth et al.
patent: 2545802 (1951-03-01), Bergstein
patent: 2713963 (1955-07-01), Andrews et al.
patent: 2800266 (1957-07-01), Kelly
patent: 3115292 (1963-12-01), Repking
patent: 3116007 (1963-12-01), D'Esposito et al.
patent: 3247955 (1966-04-01), Buck
patent: 4114798 (1978-09-01), Gardner
patent: 4469273 (1984-09-01), Smith

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