B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
B05B 7/26 (2006.01) A47K 5/12 (2006.01) A47K 5/14 (2006.01) B05B 9/04 (2006.01) B65D 47/34 (2006.01) B65D 83/76 (2006.01)
Patent
CA 2634981
A pump assembly with a first pump which draws liquid from a reservoir and dispenses it to a second pump. The second pump receives the discharge from the first pump and air such that the second pump discharges both liquid and air. The first pump preferably has a piston movable in a first inner chamber and the second pump utilizes the same piston movable in a second outer chamber. Preferably, the second pump discharges in the withdrawal stroke, that is while moving from a retracted position to a withdrawn position.
Jones Andrew
Ophardt Heiner
Gotohti.com Inc.
Riches Mckenzie & Herbert Llp
LandOfFree
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