B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
B05B 7/04 (2006.01) B05B 7/00 (2006.01) B05B 11/00 (2006.01)
Patent
CA 2135705
A foam dispensing system for a foamable liquid has a means for producing a spray of droplets in which the spray of droplets has key parameters of: the number averaged mean diameter and the mean axial droplet velocity. The foam dispensing system also has a foaming nozzle connected to the means for producing a spray of droplets that is placed in fluid communication with the spray,of droplets. The foaming nozzle has a screen which has a plurality of screen openings having a U.S. Sieve Series mesh range from 30 to 60 mesh. Key parameters of the screen are: the percent open area is from about 35% to 60%, and the screen openings are larger than the number average mean diameter of the spray of droplets. When the mean axial droplet velocity is at least 8 m/s, the spray of droplets is transformed into a foamed spray as the droplets pass through the plurality of screen openings.
Collias Dimitris I.
Lund Mark T.
Gowling Lafleur Henderson Llp
The Procter & Gamble Company
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