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When the coffee has finished brewing, the heat is removed and the pressure in the bottom vessel drops, so the combined force of gravity and atmospheric pressure overcomes the pressure of the bottom chamber, causing the brewed coffee to be pulled into the bottom chamber of the vacuum coffee maker, leaving the coffee grounds in the top chamber. [6]
The company was founded by the De'Longhi family in 1902 as a small industrial parts manufacturing workshop. [3] The company incorporated in 1950. [4] Historically a major producer of portable heaters and air conditioners, the company has expanded to include nearly every category of small domestic appliances in the food preparation and cooking, as well as household cleaning and ironing, segments.
A stove-top, Italian style coffee maker A 2016-model electric coffeemaker. A coffeemaker, coffee maker or coffee machine is a cooking appliance used to brew coffee.While there are many different types of coffeemakers, the two most common brewing principles use gravity or pressure to move hot water through coffee grounds.