FIELD: construction engineering. SUBSTANCE: device meant for applying plaster layer to surfaces of building structures by means of compressed layer has bin with booster, ejector, hose, and nozzle with annular slot. Booster is made in the form of blade mixer mounted near outlet pipe of bin. Nozzle has water injection assembly made in the form of annular slot carrying inclined grooves on its side surfaces. Depth of mentioned grooves is no more than 0.2-0.3 mm. EFFECT: reduced size and air consumption; improved quality of tempering mixture by water. 1 dwg
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