Heat pack capable of being recharged by microwave energy

Details Heat pack capable of being recharged by microwave energy Heat pack capable of being recharged by microwave energy

1995-08-04

1997-07-08

Leung, Philip H.

Electric heating

Microwave heating

With heat exchange

219736, 219745, 12626301, 12626307, 12626309, 607101, H05B 680, F24J 100

Patent

active

056457499

ABSTRACT:
A heat pack including a flexible water-tight plastic bag, saturated sodium acetate solution contained in the plastic bag, and an activator disposed in contact with the saturated sodium acetate solution and operated to activate the saturated sodium acetate solution, causing the saturated sodium acetate solution to crystallize, wherein the activator is covered within a plastic shell. According to another embodiment of the invention, the activator is a metal plate having a frosted outside wall.

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patent: 5205278 (1993-04-01), Wang
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patent: 5305733 (1994-04-01), Walters

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