Collapsible insulated box

Details Collapsible insulated box Collapsible insulated box

1974-11-11

1977-03-08

Lowrance, George E.

Receptacles

Sectional

Folding

220 62, 229 30, B65D 730, B65D 520

Patent

active

040108651

ABSTRACT:
Various container configurations are disclosed which can be collapsed for storage or shipment when empty and which are readily assembled into sturdy, airtight, and waterproof low-heat-transfer shipping handling or storage containers. Rigid urethane foam is molded to an outer liner in one embodiment and a sealing arrangement such as flexible bead between mating surfaces is disclosed along with other methods for effecting a seal.

REFERENCES:
patent: 2144318 (1939-01-01), Kryder
patent: 2675808 (1972-07-01), Brink
patent: 3156371 (1964-10-01), Harrison
patent: 3246828 (1966-04-01), Branscum
patent: 3655114 (1972-04-01), Turner

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