FILLING DEVICE Russian patent published in 1996 - IPC

FIELD: mining industry; devices used for filling rock into gob workings and worked-out spaces. SUBSTANCE: filling device includes shield hinged with advancing rams and anchoring hydraulic jacks. Inclined platform is installed on frame with sides whose size equals working height. Rods of anchoring hydraulic jacks are connected with skids contacting working side walls and their cylinders hinged with frame. Fill moving shield and filling material may come in contact with inclined platform, frame sides and filled mass. EFFECT: higher efficiency. 2 dwg