METHOD AND APPARATUS FOR REMOVAL OF CONTAMINANTS FROM SEEDS BY SURFACE PROPERTIES Russian patent published in 2003 - IPC

FIELD: agriculture. SUBSTANCE: method involves distributing seed mixture over drum fleecy surface and pressing thereto; simultaneously rolling seeds by pressing roll having smooth frictional elastic surface; cleaning fleecy surface of drum from non-sticking seeds before cleaning it from sticking seeds by means of cleaning device having elastic brush for removal of non-sticking seeds and knife arranged downstream of brush in direction of rotation. EFFECT: increased completeness of separation process by improved adhesion of seeds to fleecy surface. 5 cl, 1 dwg