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US 5,918,478 AGranted
Insulated chest and method
AssigneeVesture Corporation
InventorsWilliam M. Bostic, Stewart D. Glenn
Life of this patent
Estimating the term…
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.
Claims10
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;
- and
- d) means to evacuate air from within said container, said air evacuating means mounted on said container.
2 more elements
Dependencies are inferred from the claim text.