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US 5,290,580 AGranted
Cooling process for perishable food and horticultural products
AssigneeWeyerhaeuser Company
InventorsStan L. Floyd, Herbert D. Muise, Mark A. Stanish
Life of this patent
Estimating the term…
Abstract
Products are placed in proximity to a liquid holding cooling element containing a volatile liquid and are subjected to a vacuum. The evaporation of the liquid from the cooling element enhances cooling while reducing the evaporation of liquid from the product.
Claims12
A method of vacuum cooling horticultural products comprising:
- placing the product in close proximity to a cooling element to which a volatile liquid is then or has been added;
- and
- subjecting the product and liquid containing cooling element to a vacuum in a defined space to evaporate liquid from the cooling element and cool the product.
A method of vacuum cooling horticultural products comprising:
- placing the product in contact with a fibrous sheet to which liquid is then or has been added;
- and
- subjecting the product and liquid containing cooling element to a vacuum in a defined space to evaporate liquid from the cooling element and cool the product.
A method of vacuum cooling horticultural products comprising:
- placing the product in close proximity to a liquid containing cooling element to which a volatile liquid is then or has been added;
- packing the product and cooling element in a non-waxed corrugated box;
- and
- subjecting the packed product and liquid containing cooling element to a vacuum in a defined space to evaporate liquid from the cooling element and cool the product.
1 more element
A method of vacuum cooling horticultural products comprising:
- packing the product and at least one cooling element sheet to which a volatile liquid is then or has been added in a non-waxed corrugated box;
- and
- subjecting the packed product and at least one liquid containing cooling element to a vacuum in a defined space to evaporate liquid from the cooling element and cool the product.
A method of vacuum cooling horticultural products comprising:
- placing the product in contact with a cooling element having a major surface with an area which is from about five to about fifty square inches per pound of the product;
- and
- subjecting the product and liquid containing cooling element to a vacuum in a defined space to evaporate liquid from the cooling element and cool the product.
Dependencies are inferred from the claim text.