Self-heating or cooling container

Details Self-heating or cooling container Self-heating or cooling container

2008-04-01

2008-04-01

Doerrler, William C (Department: 3744)

Refrigeration

Chemical reaction or solids dissolving

C062S060000, C126S263060

Reexamination Certificate

active

07350361

ABSTRACT:
This invention relates to a self-heating or self-cooling container (1), which uses an exothermic or endothermic re-action to provide or remove heat from the contents of the container. The chemical reaction includes a fluid consistuent (either as a reagent or solvent), held in a reservoir (6), which is added to another reagent in the reaction chamber (5) to initiate the reaction. The container (1) according to the invention proposes a means (8, 91) to control the volume of this fluid constituent added to the reaction chamber (5) depending on the ambient temperature of the container.

REFERENCES:
patent: 1833105 (1931-11-01), Aronson
patent: 4773389 (1988-09-01), Hamasaki
patent: 4784678 (1988-11-01), Rudick et al.
patent: 5257755 (1993-11-01), Moser et al.
patent: 5313799 (1994-05-01), Siegel
patent: 5984953 (1999-11-01), Sabin et al.
patent: 6103280 (2000-08-01), Molzahn et al.
patent: 6178753 (2001-01-01), Scudder et al.
patent: 2001/0029741 (2001-10-01), Peters et al.

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