Stoves and furnaces – Heaters – Chemical
Patent
1975-05-15
1976-07-20
Weinstein, Steven L.
Stoves and furnaces
Heaters
Chemical
62 4, 62294, 206219, 206222, 426109, F24J 100, B65B 2522
Patent
active
039700682
ABSTRACT:
A foodstuff container capable of heating or cooling food or beverage contained therein having three compartments to accommodate food or beverage, an exothermal or endothermal reaction agent, and a reaction-inducing agent respectively, a needle member to open a way for the thermal reaction agent and the reaction-inducing agent to mix with so as to cause a thermal reaction for heating or cooling the contained food or beverage, and a bottom cover having at its center a plurality of pleats radiating therefrom, said pleats affording some elasticity and flexibility to said bottom cover, said bottom cover also projecting outward at its center so that said bottom cover can bounce back inwardly at the center upon pushing by a finger from the outside so that the bottom cover pushes the needle existing between the compartments accommodating the exothermal or endothermal reaction agent and the reaction-inducing agent respectively, so that the two agents mix to produce thermal reaction as the result.
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patent: 3675637 (1972-07-01), Trimble
patent: 3715189 (1973-02-01), Niglohoss
Qujevolk George B.
Weinstein Steven L.
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