Half a croissant, on a plate, with a sign in front of it saying '50c'
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Self-heatable Lunchbox

Lunchbox that heats or warms up your food
  (+4, -3)
(+4, -3)
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Why should we always have cold food in our lunchboxes?

If we have a self-heatable lunch-box, imagine the comfort that would bring to picnics, outdoor lunches, especially in colder climates.

As for the mechanics of how it works, well that's why I'm not an inventor. I suppose any safe, effective means of heating it up would be okay. Might work like a mini-oven or mini-microwave-oven. Could be powered by batteries with optional plug. Or by some other (chemical?) way of generating heat perhaps...

baboo, Apr 01 2002

Food Flask http://www.nimrodou...859/shopscr127.html
Cool. Does look like what I call a "Thermos." [bristolz, Apr 01 2002, last modified Oct 04 2004]

Peltier Devices http://www.peltier-info.com/info.html
General info, including photos and where to buy the things. [bristolz, Apr 01 2002, last modified Oct 04 2004]

More Like Mine http://www.bosfish....ighting/flasks.html
A short fatty one. Excellent for pasta. [Helium, Apr 01 2002, last modified Oct 04 2004]

Hip Flask http://www.sc.edu/f...llection/flask.html
F. Scott Fitzgerald's when serving as Infantryman in 1918 [thumbwax, Apr 01 2002, last modified Oct 04 2004]

[link]






       I use a food flask. The food is still piping hot at lunchtime.
Helium, Apr 01 2002
  

       Food flask? I've not heard that term before. Is it like a Thermos bottle in design (which I *think* are intended for liquids).   

       A lunchbox outfitted with a Peltier device would probably work for making a heatable lunchbox.
bristolz, Apr 01 2002
  

       Yes, they're similar to a thermos flask but shorter, and fatter, with a wide brim so you can get a fork or spoon in there. You can either eat straight out of the flask or pour it into the bowl provided.
Helium, Apr 01 2002
  

       MRE Heaters used by the US military.
BMCCUE, Oct 10 2005
  

       I like it, kind of like the bags the pizza boy uses to keep your pizza warm.
PollyNo9, Oct 10 2005
  
      
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