DEVICE FOR ABRASIVE-BLASTING OF SURFACES Russian patent published in 2008 - IPC B24C9/00 B24C5/04 

FIELD: instrument making.

SUBSTANCE: invention relates to abrasive-blasting and may be used in removing the surfaces and cleaning. The device comprises a casing, a first and second nozzles, a first and second working mixture feed channels and a first, second and third discharge channels. The first and second nozzles have a rectangular outlet sections. The first and second working mixture feed channels communicate with the first and second nozzles, respectively. The first and second nozzles are arranged between the inlets of the second and third discharge channels and are arranged in opposition. The first and second lengthwise axes are arranged in a V-manner. The first discharge channel is arranged between the first and second nozzles. The fist and second nozzle outlets are symmetric relative to the first discharge channel lengthwise axis. The second and third discharge channel inlets are symmetric relative to the lengthwise axis of the said first discharge channel.

EFFECT: higher efficiency of surface processing and processing products removal, lower power consumption of the device.

5 cl, 9 dwg