SCARIFICATOR Russian patent published in 2000 - IPC

FIELD: agricultural engineering, in particular, machines for presowing treatment of seeds having hard moisture-impermeable casing. SUBSTANCE: scarificator has charging hopper with closure and rotary working tool made in the form of sleeve and pipes attached to sleeve with their ends. Working tool is enclosed in casing with upper part made in the form of truncated cone whose inner surface is covered with abrasive material. EFFECT: simplified construction, reduced power consumption, increased efficiency and improved quality of scarified seeds. 1 dwg