Method for the extraction of sealed cartridges for the...

Details Method for the extraction of sealed cartridges for the... Method for the extraction of sealed cartridges for the...

A - Human Necessities

47

J

65/15

A47J 31/02 (2006.01) A23F 5/26 (2006.01) A47J 31/00 (2006.01) A47J 31/32 (2006.01) A47J 31/40 (2006.01) E02F 3/36 (2006.01)

Patent

CA 1318514

Abstract: A method for the extraction of sealed cartridges for the preparation of beverages The invention relates to a method for the extraction of sealed cartridges containing roasted and ground coffee or any other aromatic substance. The method comprises the following steps: a) a quantity of prewetting water is introduced into the cartridge from above at a pressure comprised between 2 and 3 kg/cm2 b) air is injected to aerate the ground coffee or the aromatic substance at a pressure comprised between 3 and 6 kg/cm2 c) water is introced for the actual extraction of the cartridge at a pressure comprised between 8 and 16 kg/cm2 and the beverage is recovered from the cartridge from below.

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