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US 6,318,359 B1Granted
Heat pack using super-cooled aqueous salt solutions
OwnerGeorge Schmidt, Jeffrey Thomas Whitelyinventors
Life of this patent
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Abstract
A heat pack containing a super-cooled aqueous solution is provided comprising a flexible container having at least two compartments separated by a rupturable seal housing an aqueous solution in one compartment and having the other compartment remain empty.
Claims7
A heat pack comprising;
- a container including a first layer of flexible sheet material and a second layer of flexible material, means for bonding said layers together to form laminated sheet material, means for creating first and second compartments within said container, wherein one of said first and second compartments houses a super-cooled aqueous solution and the other of said first and second compartments is empty, and a rupturable seal between said first and second compartments.
Dependencies are inferred from the claim text.