Methods and apparatus for pumping and dispensing
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United States of America Patent
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app pub date -
Aug 10, 2009
filing date -
Mar 21, 2005
priority date (Note) -
Abandoned
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Abstract
Methods and apparatus for pumping and dispensing are provided in which a peristaltic pump (16, 64) pumps liquid from a package (12), and may be integrated in a dispenser (10). The peristaltic pump (64) is adapted for improved accuracy, cleaning, and maintenance. Also provided are improved tubes (18) for peristaltic pumping that are coupled to self-sealing dispensing valves (92, 104, 110, 120).
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