Trigger to activate supercooled aqueous salt solution for use in

Details Trigger to activate supercooled aqueous salt solution for use in Trigger to activate supercooled aqueous salt solution for use in

1993-03-31

1994-04-26

Price, Carl D.

Stoves and furnaces

Heaters

Chemical

126204, A61F 700, A61F 708

Patent

active

053057333

ABSTRACT:
A trigger to initiate crystallization of a supercooled aqueous salt solution of a heat pack, thereby liberating heat. The trigger, when activated, pierces the container, allowing air to enter the pack and initiate crystallization of the solution. A seal over the trigger prevents the solution from leaking from the heat pack.

REFERENCES:
patent: 1384747 (1921-07-01), Eckelmann et al.
patent: 1433010 (1922-10-01), Hogan
patent: 1915523 (1933-06-01), Ferguson
patent: 2220777 (1940-11-01), Othmer
patent: 2289425 (1942-07-01), Hogan
patent: 2916886 (1959-12-01), Robbins
patent: 3093308 (1963-06-01), Snelling
patent: 4077390 (1978-03-01), Stanley et al.
patent: 4572158 (1986-02-01), Fiedler
patent: 4604987 (1986-08-01), Keltner
patent: 4688572 (1987-08-01), Hubbard et al.

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