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Title:
COFFEE LIQUID EXTRACTOR
Document Type and Number:
Japanese Patent JP3034857
Kind Code:
B
Abstract:

PROBLEM TO BE SOLVED: To provide a coffee liquid extractor which keeps high the quality of coffee beverage made and which is remarkably simple in structure.
SOLUTION: A coffee liquid extractor has a water heater or boiler 2, an extraction cylinder 6, a driving motor 8 moving the extraction cylinder 6 along its longitudinal axis, a closure piston 3 closing the open end of the extraction cylinder 6 to form an extraction chamber, and an extraction piston 5 arranged within the extraction cylinder 6 in such a way as to freely move along the longitudinal axis to compress coffee powder stored in an extraction cylinder means and to remove a cake of the coffee powder extracted. In this case, the closure piston 3 is either an integral part of the water heater or boiler 2 or directly coupled to the water heater or boiler.


Inventors:
Schmed, Arthur
Application Number:
JP1999000012138
Publication Date:
February 18, 2000
Filing Date:
January 20, 1999
Export Citation:
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Assignee:
Schmed, Arthur
International Classes:
H01L23/522; H01L21/31; H01L21/316; H01L21/3205; H01L21/768; H01L23/52; (IPC1-7): A47J31/057; A47J31/54