FIELD: engines and pumps.
SUBSTANCE: device contains the compressor, an injector to feed an abrasive material, a nozzle assembly and additional nozzles, the nozzle assembly being designed to feed compressed air with the said abrasive material into the pipe tangentially for it to be swirled and moved along the pipe. The additional nozzles can be arranged along the pipe in the direction the air with an abrasive material move and can feed the compressed air into the pipe for it to be swirled along with the abrasive material. The nozzle assembly can be attached to the pipe with the help of a threaded joint.
EFFECT: simple and inexpensive manufacture of micro channels in pipe.
2 dwg
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