Insulated chest and method

Details Insulated chest and method Insulated chest and method

1997-09-29

1999-07-06

Bennett, Henry

Refrigeration

Portable, commodity-containing

624572, 624577, 220 891, 220420, F25D 308

Patent

active

059184787

ABSTRACT:
A lightweight, insulated chest and method are provided for transportation and storage of perishable and other items which require a temperature-controlled environment. The chest includes insulated side walls, bottom and a hinged cover which is pneumatically sealed to prevent tampering and for thermal security. The chest includes a fluid conduit within the cover for air evacuation and depressurization of the interior and also includes a conduit to provide a vacuum between the walls of the sides and bottom which contain a rigid polymeric foam insulation.

REFERENCES:
patent: 1318547 (1919-10-01), Edmundson
patent: 1541945 (1925-06-01), Hamilton
patent: 2199301 (1940-04-01), Bonnefoy
patent: 2329765 (1943-09-01), Jackson et al.
patent: 3885403 (1975-05-01), Spencer
patent: 4920964 (1990-05-01), Francis, Jr.
patent: 5150707 (1992-09-01), Anderson
patent: 5575812 (1996-11-01), Owens

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