Method of cooling a draught alcoholic beverage in a vessel
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United States of America Patent
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Jul 17, 2007
Grant Date -
N/A
app pub date -
May 14, 1999
filing date -
May 15, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A draught beverage 170 which may be alcoholic or non-alcoholic, for example a lager or cider in an open-topped drinking vessel or glass 172. The beverage comprises a water content and dissolved gas content. The draught beverage is dispensed from a font at a cooled temperature below the freezing point of water at ambient atmospheric pressure. The dispense temperature may be in the range of -1.degree. C. to -12.degree. C. The beverage in the glass may or may not be subjected to external excitement energy, for example ultra-sound, to encourage formation of nucleation sites in the beverage. Either way dissolved gas bubbles out of the beverage causing occurrence of nucleation sites at which ice 188A, 188B from the water content forms. At least in part the ice has a slushy character. A head 174 also forms on the dispensed draught beverage and below the head the ice 188A, 188B locates and develops downwards into the beverage.
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