Machine for infusion preparation, in particular espresso coffee, supplying group and manufacturing method thereof
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United States of America Patent
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Aug 30, 2016
Grant Date -
Apr 19, 2012
app pub date -
Mar 31, 2010
filing date -
Apr 1, 2009
priority date (Note) -
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Abstract
The present invention relates to an infusion machine comprising a boiler having first heating means provided for heating a liquid suitable for infusion preparation, in particular for espresso coffee preparation, at least one supplying group (14), and infusion means (43, 43b) provided for infusion preparation and associated with second heating means (46). The supplying group (14) in the machine further comprises an accumulation chamber (41) hydraulically connected to the infusion means (43, 43b) and arranged to contain a certain amount of liquid. Second heating means (46) are provided, which are arranged to directly heat the liquid contained in the accumulation chamber (41) for hydraulically feeding the infusion means (43). The invention also relates to the supplying group and the method of manufacturing the machine.
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