FIELD: machine building.
SUBSTANCE: disclosed group of inventions relates to a sieving means for sorting material with a size distribution. Screening device for material sorting comprises main housing having contact surface, intended for upward contact for contact with material to be sorted, and lower surface for downward facing, wherein main housing has thickness, formed between contact and lower surfaces; a plurality of openings extending over the thickness of the main body between the contact and bottom surfaces. Sieving means on the contact surface comprises a repeating textured pattern formed by continuously bending grooves. Said screening device is used in sorting device for sorting loose material, comprising a plurality of support beams; at least a pair of side walls; and sieving means mounted on support beams and extending between sidewalls.
EFFECT: technical result is increase in the degree of durability.
15 cl, 6 dwg
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