Foods and beverages: apparatus – Beverage – Infusors
Patent
1999-01-22
2000-10-10
Alexander, Reginald L.
Foods and beverages: apparatus
Beverage
Infusors
99289R, 99287, A47J 3134
Patent
active
061290068
ABSTRACT:
A coffee machine is provided with a boiler for heating brewing water, a brewing cylinder defining a brewing chamber, a closure piston for closing the one open end of the brewing cylinder as well as a brewing piston for compressing the coffee powder in the brewing cylinder and/or for ejecting the elutriated coffee powder cake, whereby the brewing piston is longitudinally movable in the brewing cylinder. The closure piston is integrally formed or rigidly connected to the housing of the boiler and firmly mounted to the housing of the coffee machine. Moreover, there is provided a brewing module that is removably inserted into the housing of the coffee machine and that includes at least the brewing cylinder and the brewing piston. The brewing cylinder and the brewing piston are movable in longitudinal direction, but cannot be rotated. Such a coffee machine can be designed very compactly. Moreover, the brewing module consists of only a few elements and, thus, can be manufactured at low costs and is very reliable in operation.
REFERENCES:
patent: 3760712 (1973-09-01), Rossi
patent: 4852472 (1989-08-01), In-Albon et al.
patent: 5275089 (1994-01-01), Armellin
patent: 5479848 (1996-01-01), Versini
patent: 5657683 (1997-08-01), Sandei et al.
patent: 5755149 (1998-05-01), Blanc et al.
Alexander Reginald L.
Finanara International B.V.
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