Espresso/cappuccino apparatus and method
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United States of America Patent
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Dec 13, 1994
Grant Date -
N/A
app pub date -
Apr 14, 1993
filing date -
Apr 14, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Several unique features for an improved espresso/cappuccino maker are disclosed. A method and apparatus for replenishing the steam tank for a cappuccino steam dispenser in which the cold replenishing water can only be added in stepped sequences, and only after the water in the tank has reached its desired operating temperature. The dispensing unit for holding the coffee filter is maintained in a constantly heated condition by direct thermal conductivity from the metal surface of the hot water tank which is nested and in direct contact with the metal of the dispensing assembly. The temperature probe for the steam wand is housed internally of the steam wand with only a tip protruding for ease of cleaning. Also, the entire steam wand assembly and solenoid control valve are pivotally mounted as a unit to eliminate the need for internal slip joints in the steam lines. A portafilter has an integral screen for holding a single, a double, or a double-double portion of ground coffee.
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