FACILITY TO DRILL HOLES Russian patent published in 2002 - IPC

FIELD: mining industry, drilling both horizontal and vertical holes for engineering purposes: laying of cables, pipe-lines and other main line networks for city or factory needs with simultaneous strengthening of walls of holes. SUBSTANCE: proposed facility includes drilling tool, reduction gear of direct rotation anchored between drilling tool and electric motor, reduction gear of reverse rotation located on opposite end of electric motor, spacing unit, cable, conical compactor made fast to drilling tool, vessel filled with polymerization grouting material and impeller installed in front of vessel. Drilling tool comes in the form of spiral. EFFECT: simplified design of facility, reduced usage of materials for construction of holes. 1 cl, 2 dwg