Importance

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Abstract

Thermal food transport containers and methods of manufacturing the same are disclosed. A disclosed example process for the production of a thermal food transport container or a thermal tray comprises, molding an inside or an outside wall in a first mold from an integral hard foam reaction mixture and at least partially curing the inside or the outside wall. A polyurethane reaction mixture is then molded in a second mold and onto the inside wall or the outside wall and is at least partially cured to form an insulation layer. An integral hard foam reaction mixture is then molded onto the insulation layer of polyurethane foam in a second mold to form the outside wall or the inside wall, so that a bond is formed with the peripheral edge of the first molded wall during curing.

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First Claim