Cold pack device

Details Cold pack device Cold pack device

1975-05-28

1976-08-31

Emery, Stephen J.

Refrigeration

Chemical reaction or solids dissolving

2521883R, 206219, 128403, F25D 500

Patent

active

039772020

ABSTRACT:
A cold pack device comprising an anhydrous salt, salt hydrate and a water miscible organic liquid, wherein said components are contained in a package such that they are separated until activation is desired and upon activation the components are mixed and an endothermic reaction occurs resulting in a lowering of the temperature of the mixture to a therapeutic range and maintaining said temperature for a substantial time duration.

REFERENCES:
patent: 1894775 (1933-01-01), Levenson
patent: 2185799 (1940-01-01), Blake et al.
patent: 2916886 (1959-12-01), Robbins
patent: 3058313 (1962-10-01), Robbins
patent: 3191392 (1965-06-01), Donnelly
patent: 3893834 (1975-07-01), Armstrong

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