REVOLVING SCREEN Russian patent published in 2001 - IPC

FIELD: equipment for classification of loose materials; applicable in construction, mining, metallurgical and other industries. SUBSTANCE: revolving screen includes conical sifting surfaces located between end webs. Conical sifting surface is made of successively installed sections, each made in the form of mounted two pairs of triangles connected to each other by side walls. The first pair is made of two similar isosceles triangles, while the second pair is made of isosceles triangle equal to that of the first pair and equilateral triangle. Each subsequent section is turned relative to preceding one through 90 deg. Revolving screen includes loading and discharging devices and drive. EFFECT: higher productivity and screening efficiency. 7 dwg