Plan sifter for check screenings

摘要

Plan sifter for the check screening of mill products, with a screen stack consisting of a plurality of screen frames (32) as well as with supply channels for the screening material which are arranged on opposite sides of the screen stack and with feed boards (62) which are mounted on the screen frames and project into the supply channels and by means of which the screening material is fed in parallel onto a group of screen frames (32), characterised in that the screen frames of this group are provided, on each side adjacent to one of the supply channels, with at least one feed board (62) and with an outlet (80) left free by the feed board and intended for the screening excess. <IMAGE>