SAND-BLAST APPARATUS SPRAYER FOR DUSTLESS SAND CLEANING OF FLAT SURFACES

摘要

FIELD: mechanical engineering. SUBSTANCE: sprayer has tubular body 1 with turning sprayer head 3 coupled to blasting hose 2. Sprayer head 3 is covered by face plate 4 provided with holes 7 made so that sprayer head turns under the action of sand-blast material ejection. To facilitate adaptability to different modes of cleaning, every hole is provided with blow-through tube 9 made and mounted for turning relative to face plate 4 by means of hinge coupling 10. EFFECT: improved cleaning. 2 cl, 3 dwg