Method of recharging a heat pack by microwave energy
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United States of America Patent
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Nov 14, 1989
Grant Date -
N/A
app pub date -
Dec 23, 1988
filing date -
Dec 23, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention is in a method of recharging or regenerating a substantially solid spent heat pack of the type in which a super-coolable salt solution is confined within a flexible plastic pouch and converted to solid form with evolution of heat, by contacting the solid contents of said pack with a source of microwave energy sufficient to melt the solid to the liquid state, without thereby damaging said heat pack.
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