Patent ID: 7938342
Filing Date: 2011-05-10
Classification: B05B

Abstract:
1. Spray nozzle designed to be mounted in a push button of a liquid distribution system, where said nozzle comprises a body equipped with an assembly tube that is defined by a front wall in which a distribution orifice is formed, wherein the inside face of said front wall is equipped with: a vortex chamber that communicates with the distribution orifice; at least two radial tubes to supply the liquid to said vortex chamber; and an annular duct to supply the liquid to the upstream end of said tubes, wherein said nozzle is characterised in that the lateral inside wall of the tube is equipped with at least two axial grooves which respectively extend between an upstream end opening onto the rear edge of the tube and a downstream end opening onto the annular duct, wherein said grooves are positioned angularly so that each downstream end of a groove is equidistant from the two upstream ends of the tube adjacent to it on either side along the length of the annular duct.