Dispensing – With material treatment or conditioning means
Reexamination Certificate
2007-12-28
2011-11-15
Ngo, Lien (Department: 3754)
Dispensing
With material treatment or conditioning means
C222S321700
Reexamination Certificate
active
08056768
ABSTRACT:
A foam pump assembly for dispensing foam comprises a dual piston pump engine having an air cylinder and fluid cylinder each with pistons, a mixing chamber in communication with the liquid cylinder for receiving liquid, and in communication with the air cylinder for receiving air, an outlet chamber providing a flow path with turns, whereby when air and fluid is fed into said mixing chamber foam is created which passes into the outlet chamber, through the flow path and out of the pump outlet.
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Lucas & Mercanti LLP
Ngo Lien
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