Insulated holder for lunch boxes

Details Insulated holder for lunch boxes Insulated holder for lunch boxes

1997-09-17

1999-07-20

Bennett, Henry

Refrigeration

Cooled enclosure

Portable receptacle

624574, 62530, F25D 308

Patent

active

059243040

ABSTRACT:
An insulated holder for providing cool air to a beverage container and to a lunch box. The holder includes a bottom wall and sidewalls being integrally connected to form an open end and an interior cavity for receiving a beverage container therein. The bottom wall and the side walls are formed of a composite structure including a first outer layer of a plastic material, a second inner layer of a conductive material, an inner core third layer of a refrigerant material, a fourth inner layer of the conductive material, and a fifth outer layer of the plastic material. This composite structure allows cool air to flow in an inwardly direction from the inner core of refrigerant material through the fourth inner layer and the fifth outer layer to the interior cavity for cooling the beverage container. This composite structure also allows cool air to flow in an outwardly direction from the inner core of refrigerant material through the second inner layer and the first outer layer to the interior area of the lunch box for cooling of food products contained therein.

REFERENCES:
patent: 4882914 (1989-11-01), Haines-Keeley et al.

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