Collapsible container

Details Collapsible container Collapsible container

1977-08-04

1978-03-28

Lowrance, George E.

Receptacles

Sectional

Folding

220 71, B65D 724, B65D 520, B65D 124, B65D 148

Patent

active

040810992

ABSTRACT:
The invention relates to a collapsible container having a base and sides moulded from a synthetic plastics material and including, at least partially encapsulated therein during moulding, elongate metal reinforcing elements. The reinforcing elements of the sides engage with those of the base to provide integral hinges, and include interlock means at the hinges arranged such that when, after initial moulding of the container base and sides in a flat condition, the sides are folded-up, the interlock means prevent return of the sides to the flat condition so that the container may thereafter be collapsed only by folding the sides inwardly over the base.

REFERENCES:
patent: 2144318 (1939-01-01), Kryder
patent: 3056524 (1962-10-01), Stoecker
patent: 3327896 (1967-06-01), Asenbauer
patent: 3446415 (1969-05-01), Bromley
patent: 3955703 (1976-05-01), Zebarth
patent: 3997074 (1976-12-01), Shead
patent: 4044910 (1977-08-01), Box

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