Low-pressure flow-controlled powder spreader

Details Low-pressure flow-controlled powder spreader Low-pressure flow-controlled powder spreader

A - Human Necessities

62

C

A62C 13/00 (2006.01)

Patent

CA 2585845

The invention relates to a powder spreader device including a sealed tank (1) with a tapered bottom wall (5), a vessel (2) containing a pressurised spray gas connected to the tank (1) via a feed line (27), control means (20) connected to the vessel (1), and a powder dispensing nozzle (10) connected to the tank, wherein the elongate nozzle (10) includes at least two pressure relief stages (11, 12) for breaking up the dispensed powder jet and forming a uniform and homogenous jet with a relatively low flow rate.

L'invention concerne un dispositif épandeur de poudre comprenant un réservoir étanche (1) à fond conique (5), une bouteille (2) renfermant un gaz pulvérisateur sous pression raccordé par un conduit (27) au volume du réservoir (1), des moyens de commandes (20) associés à la bouteille (1), et une lance d'épandage (10) de la poudre raccordée au réservoir, dispositif dans lequel la lance (10), de forme allongée, comprend au moins deux étages de détente de pression (11-12) propre à briser le jet de poudre émis pour former un jet uniforme et homogène de relativement faible vitesse.

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