Heat pack apparatus

Stoves and furnaces – Heaters – Chemical

Patent

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Details

44 3R, F24J 100

Patent

active

045879508

ABSTRACT:
A reusable heat pack containing a solution of a salt hydrate capable of being supercooled to provide heat of crystallization upon inducement of crystallization, the heat pack being provided with a reusable trigger mechanism located on the surface of the heat pack to permit simple and positive initiation of crystallization.

REFERENCES:
patent: 1203776 (1916-11-01), Paschal
patent: 1384747 (1921-07-01), Eckelmann et al.
patent: 1433010 (1922-10-01), Hogan
patent: 1915523 (1933-06-01), Ferguson
patent: 1920853 (1933-08-01), Ferguson

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