SCREEN Russian patent published in 1998 - IPC

FIELD: separation of loose materials. SUBSTANCE: screen has frame with supporting beams, flexible screening surface made up of modular members, side walls of which are bent at right angle and secured in grooves between the walls of supporting beams. According to the invention, the supporting beams are provided with projections with beveled surface and shoulders and the side walls of the modular members are made in the form of wedge-shaped grip narrowing downwards and provided with mating shoulders. The end face sides of modular members have projections in the upper part on one side, while in the lower part of the other side they have recesses, shape and size of which correspond to shape and side of the mentioned projections. EFFECT: improved reliability and efficiency. 2 cl, 3 dwg