Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 10, 2007
Patent Application Number
10508267
Date Filed
March 4, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
A liquid flow-restriction device has a plurality of flow-restriction passages connected to a common outlet. Each flow-restriction passage has a magnetically operable valve having a valve member movable between an open position and a closed position. The valves are operated by a common actuating element selectively positionable with respect to the valve members to open the valves. The actuating element is a permanent magnet. The device is simple and allows easy selection of a flow rate to a dilution dispenser.
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