Patent No. 8,196,781
Issued: June 12, 2012
Inventors: Greenwald; Shlomo (Ithaca, NY), Greenwald; Zipora (Ithaca, NY)
A disposable concentrate pump for use with a liquid reservoir, with the actuating solenoid mounted in the dispenser. The pump has a body with flexible walls, a top-cap, a seal-base and a nozzle, with a seal-rod extending from the top-cap to the nozzle, stretching the flexible walls of the body and creating a net restoring force on the seal-base. A seal-head on the seal-rod seals a central opening in the seal-head when pressed against a side of the seal-head by the net restoring force. Reciprocally moving the seal-head parallel to an axis of the pump body operates the pump.
Reference to Related Applications
This application is a continuation-in-part of application Ser. No. 12/497,063, filed Jul. 2, 2009, and entitled "Disposable Integrated Bag and Pump", which issued Mar. 1, 2011, as U.S. Pat. No. 7,896,202, which was a continuation-in-part of application Ser. No. 11/209,016, filed Aug. 22, 2005 and entitled "Disposable Integrated Bag and Pump", which issued on Aug. 25, 2009, as U.S. Pat. No. 7,578,419. That application claimed the benefit under 35 USC .sctn.119(e) of U.S. Provisional Applications No. 60/642,311, filed Jan. 7, 2005, entitled "Beverage Dispenser with Disposable Pump", No. 60/682,107, filed May 18, 2005, entitled "Plastic Pump for Beverage and Soap Dispensing", and No. 60/700,824, filed Jul. 20, 2005, entitled "Super Quiet Disposable Pump". The aforementioned applications are hereby incorporated herein by reference.
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