Microwave receptive heating sheets and packages containing them
AssigneeGolden Valley Microwave Foods Inc.
InventorsDavid W. Andreas, David H. Cox
Life of this patent
Estimating the term…
Abstract
A food heating package for elongated products such as french fries and fish sticks which includes partitions formed from microwave energy absorbing material adapted to crisp, toast or brown the surfaces of the food sticks. The partitions preferably enclose the food sticks on at least three sides and can be made by forming folds in a sheet of vapor-deposited semiconductive metallic coating applied to a plastic film, e.g. polyester, backing.
Claims12
A microwave heating package including an outer microwave transparent packaging enclosure, food pieces contained therein and an inner microwave receptive heating sheet for heating the food pieces, said sheet being located within the package and contained within the enclosure,
- said sheet comprising a backing and a microwave receptive heating material associated therewith,
- said sheet being formed into a plurality of longitudinally extending, laterally spaced apart heat emitting partitions separating food pieces and defining a honeycomb-like array comprising a plurality of food compartments, each of said compartments enclosing said food pieces on more than two sides of each piece with the microwave receptive sheet to heat adjacent surfaces of each food piece so as to toast, brown or crisp them when exposed to microwave energy within a microwave oven by transfer of heat from the microwave receptive sheet to the surfaces of the food pieces.
A microwave heating package for food sticks comprising an outer package that is transparent to microwave energy and a partitioned microwave heating tray therein having flutes that do not touch each other formed from microwave receptive sheet material wherein said flutes define a plurality of side walls, said walls are joined by flat intersecting bottom walls to thereby provide a three-sided enclosure to crisp, brown or toast adjacent surfaces of each food stick placed on the flat bottom wall between the flutes.
Dependencies are inferred from the claim text.