Reservoirs for bottled liquid dispensers
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United States of America Patent
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Nov 27, 2007
Grant Date -
Jun 1, 2006
app pub date -
Dec 19, 2003
filing date -
Dec 23, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A thermally-insulated reservoir 9 for a dispenser in which liquid is supplied from a bottle to a discharge outlet via a reservoir, has an inner wall 23 and an outer wall 24 defining a sealed and evacuated heat-insulating cavity 30 at least partially surrounding a liquid space 22. In one application of the invention the reservoir takes the form of a cooling vessel with the thermal means provided by a cooling coil 26. The invention may also be applied to reservoirs which form a hot tank with the thermal means provided by an electrical heating element.
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