F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 9/14 (2006.01) B67D 99/00 (2010.01) A47K 5/12 (2006.01) A47K 5/14 (2006.01) B05B 11/02 (2006.01)
Patent
CA 2669519
A two-stroke foam pump includes a piston housing and a piston assembly retained therein, the interaction of the piston housing and piston assembly defining a compressible mixing chamber. Movement of the piston assembly within the piston housing in one direction increases the volume of the compressible mixing chamber to draw liquid and air therein, and movement of the piston assembly within the piston housing in a direct opposite thereto decreases the volume of the compressible mixing chamber to expel liquid and air from the compressible mixing chamber as a foam product.
Gojo Industries Inc.
Sim & Mcburney
LandOfFree
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