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US 6,269,651 B1Granted
Cooling apparatus
AssigneeScotsway Limited
InventorAlan Price
Life of this patent
Estimating the term…
Abstract
A cooling apparatus, such as a consumer display unit 400, comprises a covered tray 403 or other compartment for accommodating consumer product to be kept cool, and a housing 420 for accommodating a replaceable charge of dry ice out of contact with the product. A tubular element 421 communicates between the covered tray and the housing 420 to allow cold air and carbon dioxide to flow from the dry ice to the product.
Claims8
A display apparatus comprising:
- a container having a floor upon which at least one consumer product may be placed;
- a cover for said container having an aperture to permit consumer access to said at least one consumer product;
- and
- a solid coolant housing having a base with at least one aperture to allow cold gas to flow from said housing, said housing being supported in said container with a space between the base of said housing and the floor of said container, the display apparatus further comprising means for varying the area of said at least one aperture in the base of said housing.
1 more element
A display apparatus comprising:
- a container having a floor upon which a consumer product may be placed;
- a cover for said container having an aperture to permit consumer access to the product;
- and
- a solid coolant housing having a base with at least one aperture to allow cold gas to flow from said housing, said housing being supported in said container with a space between the base of said housing and the floor of said container, wherein said housing has a top closure comprising a flexible membrane with at least one aperture for introducing solid coolant pellets into said housing.
1 more element
Dependencies are inferred from the claim text.