NOZZLE CONFIGURATIONS FOR ABRASIVE BLASTING
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United States of America Patent
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Issued Date -
May 5, 2011
app pub date -
Mar 11, 2009
filing date -
Mar 12, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Disclosed herein are nozzle configurations for an abrasive blasting system. The system can comprise multiple hoppers for feeding separate powders streams to a fluid jet. The separate powder streams can be mixed in a frustoconical or conical mixer prior to delivery to the substrate surface. Also disclosed are methods of texturizing the substrate surface by moving the substrate or nozzle(s) during the delivery of dopant(s). Methods for achieving a uniform distribution of dopant are also described. Also disclosed herein are coaxial nozzle configurations having an outer focusing stream to converge and/or mix with an inner particle stream.
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