Wurster air diverting method
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United States of America Patent
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-
Aug 10, 2004
Grant Date -
Aug 21, 2003
app pub date -
Oct 10, 2002
filing date -
Feb 19, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The improved Wurster of the present invention includes an air diverter which supplies a flow of air in a radial direction adjacent the spray nozzle body and spray nozzle, so as to force the product away from the nozzle during the spraying process. The air diverter includes a sleeve with air passages therein, a manifold connected to the sleeve and to a source of secondary pressurized air or gas, and a collar to mount the assembled air diverter onto the perforated plate of the Wurster apparatus. In operation, the air diverter allows the spray pattern from the nozzle to more fully develop, allows more complete atomization of the spray solution, and allows for higher spray rates with little or no agglomeration of the product.
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