Process and apparatus for preparing a beverage under controlled pressure
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United States of America Patent
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Feb 5, 2013
Grant Date -
May 28, 2009
app pub date -
Mar 28, 2007
filing date -
Mar 28, 2006
priority date (Note) -
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Abstract
A process of preparing a beverage from a beverage preparation chamber includes the steps of feeding water to the preparation chamber (2) until a first pressure (P1) of at least 3 bar is reached, interrupting the flow of water to the preparation chamber, holding said preparation chamber (2) in a closed condition for a first time interval (t1), opening said outlet (3) of the preparation chamber (2) and delivering the thus prepared beverage whereas the pressure is decreased at least once during said time interval (t1).
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