Spray pattern control structure and method

Details Spray pattern control structure and method Spray pattern control structure and method

B - Operations, Transporting

05

B

299/18

B05B 1/34 (2006.01)

Patent

CA 1086355

SPRAY PATTERN CONTROL STRUCTURE AND METHOD Abstract of The Disclosure The discharge orifice on a fine mist sprayer has a hole through which streams of liquid particles are swirled at high speeds so as to fully atomize the liquid by the time it reaches the exit end of the hole. At that location an annular launching surface for the liquid particles flares outwardly from the hole wall through a curve extending at least 90° from a tangent point on the wall. As a result of this construction, the swirling streams progressively increase in diameter as they approach the exit and encounter the flared launching surface and depart at random locations from the surface to thereby produce a spray pattern of substantially circular configuration and uniform particle distribution throughout. In the preferred embodiment, the launching surface projects outwardly beyond the face of the spray head in the nature of a rim around the orifice hole, such rim being uniformly smooth, flawless and devoid of any lines of demarcation or intersection with the wall or the outside face through a curve of at least 90°. (Our Dkt F-15769)

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