Hot Can Heats Itself
Jan-19-13
Just in time for winter, the Hot Can is able to automatically warm its contents—allowing busy commuters and lazy campers to enjoy a hot beverage or soup in minutes. The Hot Can is made of double-chambered aluminum, with the food or beverage contained in the outer chamber and a combination of water and calcium oxide in the inner chamber. The can is activated by removing the protective label, pushing the button to begin the heat reaction, shaking the can for about 30 seconds and then waiting about 3 minutes for the process to complete. A room temperature beverage will heat up to 158ºF, and a polypropylene outer covering protects the hand from burns.
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Is this "Hot Can" invention an invention, or a re-discovered application that's been around for years. Please correct me if I'm wrong, But I've understood that the military have been providing self heating tinned food for troop use for decades.
Posted by John Walding on January 23, 2013
The Hot-Cans use Limestone (Calcium Oxide) and water. Military MRE's use Magnesium which is flammable and gives off Hydrogen gas. Because of the Limestone, Hot-Cans are recyclable.
Posted by Paul Sewell on January 28, 2013
you can buy these on each streetcorner in Japan for many years already
Posted by hans van der meulen on February 8, 2013
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Comments
Is this "Hot Can" invention an invention, or a re-discovered application that's been around for years. Please correct me if I'm wrong, But I've understood that the military have been providing self heating tinned food for troop use for decades.
Posted by John Walding on January 23, 2013
The Hot-Cans use Limestone (Calcium Oxide) and water. Military MRE's use Magnesium which is flammable and gives off Hydrogen gas. Because of the Limestone, Hot-Cans are recyclable.
Posted by Paul Sewell on January 28, 2013
you can buy these on each streetcorner in Japan for many years already
Posted by hans van der meulen on February 8, 2013
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