Device for treating surfaces by impingement

摘要

Device includes at least one 0.1-5 g projectile (11) able to be projected in the direction of the surface (S) to be treated by a vibrating surface (7) under the effect of vibrations from a sonotrode (3). Retainer (9) provided for holding each projectile (11) in the device when the latter move away from the surface (S) to be treated. The retainer (9) holds the projectiles in the device independently of the surface (S) to be treated, and guides the movement of each projectile before and after rebound on the vibrating surface (7). An adjuster is provided for initiating the movement of each projectile (11) on coming into contact with the vibrating surface (7) whatever the orientation of the device.