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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 therma

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.

대표청구항

[ We claim:] [1.] A chest comprising:a) side walls;b) a bottom, said bottom joined to said side walls to form a container;c) a cover, said cover removably positioned on said container; andd) means to evacuate air from within said container, said air evacuating means mounted on said container.

[ We claim:] [1.] A chest comprising:a) side walls;b) a bottom, said bottom joined to said side walls to form a container;c) a cover, said cover removably positioned on said container; andd) means to evacuate air from within said container, said air evacuating means mounted on said container.