Spray gun with a hollow needle and single stage or two stage nozzle and method for use thereof
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United States of America Patent
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Nov 3, 2020
Grant Date -
Feb 22, 2018
app pub date -
Mar 11, 2015
filing date -
Mar 11, 2015
priority date (Note) -
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Abstract
A paint spray gun comprises a spray gun body; an air cap; and a hollow needle capable of assuming at least an open position enabling the passage of paint therethrough and a closed position; at least one air distribution channel for atomizing air; and at least one air distribution channel for fan air. A fluid spray single two stage nozzle includes first and second internal surfaces at first and second predetermined angles, respectively, with respect to a rotational axis of symmetry of the nozzle, wherein the first angled surface is proximate a forward opening of the nozzle, the second angled surface is aft of the first angled surface, the first angle is in a range of substantially 0.05 to thirty degrees, and the second angle ranges from substantially 0.1 to sixty degrees greater than that of the first angle.
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