Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 11, 2009
Patent Application Number
11085370
Date Filed
March 21, 2005
Patent Primary Examiner
Patent 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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