Automatic appliance for instant coffee and process for the...

Details Automatic appliance for instant coffee and process for the... Automatic appliance for instant coffee and process for the...

A - Human Necessities

47

J

65/9

A47J 31/047 (2006.01) A47J 31/40 (2006.01)

Patent

CA 2039026

Abstract An automatic appliance for instant coffee com- prises a pressure chamber (10) for preparing the coffee, this pressure chamber having a closing/opening element (20) for introducing and eliminating the coffee powder and at least one adjustable moveable wall (31) defining the volume of the chamber, a hot-water or steam supply conduit and a coffee outlet conduit, and control means determining a position of the moveable wall (31) and the quantity of water and coffee. The pressure chamber (10) is expandable at the moment of injection of hot water or steam, particularly in that the wall (31) is the head of a piston mounted on springs which are compressed under the pressure of the hot water or steam. Proposed figure: Figure 2

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