Pressure-cooker
The pressure-cooker is a kitchen utensil in a container hermetically closed which does not allow the air or the liquids to escape in lower part from a given Pression.
A valve of safety slackens the vapor when the pressure exceeds the limit envisaged. As the point of boiling of water is affected by the atmospheric pressure this increase in pressure makes it possible to raise the temperature higher than 100°C (212°F) before boiling. It is then necessary to decrease the intensity of fire and to begin the calculation of the time of cooking which can be reduced by a factor of three or four. There exist several systems of closing: the clamp, the bayonet, the push-button and the returning lid.
Sometimes it is called pot with pressure or CocotteMinute® (registered trademark by the company SEB).
It is very useful for the mountaineers to compensate for the atmospheric low pressure with high-altitude which makes difficult cooking.
It is Denis Papin, which in 1679 developed a pot out of very thick iron, provided with a valve of safety and a lid with pressure blocked by a cross-piece with screw. It called it “digester”.
Around the pressure-cooker
- In the Manga Dragon Ball , a technique makes it possible to lock up the Piccolo demon in a pressure-cooker. This one thus fears more than all these apparatuses.
See too
- Cooker of rice
Simple: Press cooker
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