TREATMENT OF GROUND COFFEE TABLETS BEING FED IN ADVANCE AND MACHINE FOR PREPARING EXPRESS COFFEE FROM COFFEE TREATED IN SUCH A MANNER

摘要

The present invention relates to a package of ground coffee (4) in the form of prefilled tablets, boxes or bags suitable for using in espresso coffee machines, whereby the pre-dosed coffee (4) package (1) consists of a filter-paper (3) which encloses the ground coffee (4). The package is provided on the portion of its circumference with at least one piece (6) of a sufficiently rigid material acting as a package (1) frame, so that the tablet, box, or bag has a good mechanical behavior. Disclosed is also an espresso coffee machine (2) for use with the above-described package (1) of ground coffee, said espresso machine comprising a water heater (7), and a lifter (8) with a cylindrical body (10) and a piston (11). The water heater ends are provided with stops (9). The package (1) is held by said piece (6) of a sufficiently rigid material between the stops (9) and the water heater (7).