Liquid dispenser
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United States of America Patent
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Nov 20, 2012
Grant Date -
Jan 19, 2006
app pub date -
Nov 5, 2002
filing date -
Nov 5, 2001
priority date (Note) -
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Abstract
The present invention relates to an apparatus for controlled rate dispensing of a liquid contained in a flexible bag, said apparatus including a chamber adapted to contain the flexible bag containing the liquid, an outlet from the chamber adapted to receive an outlet conduit communicating with the interior of the flexible bag, a source of gas arranged to apply pressure to at least part of the exterior walls of the flexible bag, and a pressure regulator arranged to control the pressure applied to said exterior walls, whereby pressure applied to said exterior walls causes liquid to be dispensed from the flexible bad through the outlet conduit at a controlled rate. A method of delivering liquid at a controlled rate using the apparatus of the present invention is also described.
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