Food delivery container
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United States of America Patent
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-
Mar 9, 1999
Grant Date -
N/A
app pub date -
Oct 24, 1996
filing date -
Oct 24, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A food delivery container is provided for pizza or other food items and includes a heating element having a phase change material such as a ultra-high molecular weight polyethylene which transforms from a solid to a semi-solid at approximately 248.degree.-275.degree. F. The heating element comprises a rigid envelope which is permeable to prevent gaseous build-up during heating. The heating element, when placed within a suitable insulated container, will maintain food warm for several hours during storage or delivery. In one embodiment of the heating element, an electric resistance grid is provided for supplying heat energy.
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Family
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