FIELD: cleaning equipment. SUBSTANCE: cylindrical brush has sleeve and set of U-shaped piles mounted on sleeve and fixed on annular holders and disk flanges arranged in two rows coaxially to sleeve axis. Difference of diameters of annular holders of adjacent rows is Δ D = 2d + 4t, where d is annular holder section diameter, mm; t is thickness of pile layer on holder, mm. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 3 dwg , 1 tbl
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