| 摘要 |
Aerosol dispenser which includes a spray head 20 fitted with a front face 21, pierced at its centre by an outlet orifice forming a nozzle 28 for spraying a mixture formed by a propellent gas and an active product, the outlet orifice being provided at the centre of a vortex (swirling) chamber 27 receiving the mixture via channels 26 which are arranged tangentially to the chamber and are arranged recessed in the front face of the head, these tangential channels communicating with at least one passage 29 for supplying the mixture, provided in a housing 23 made between the side wall of the head and a central stud 24 engaged in this housing. According to the invention, this dispenser is characterised in that the front face 21 of the head and the part facing the central stud have substantially spherical complementary shapes, respectively concave and convex shapes, the channels 26 made, recessed, in the front face of the head having a rounded profile and a width which increases from the passage for supplying the mixture up to the vortex (swirling) chamber. <IMAGE>
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