ORE CHUTE Russian patent published in 2004 - IPC

FIELD: mining industry, opencast mining of ore deposits and dumps of mining enterprises. SUBSTANCE: ore chute includes shaft, loading collar, discharge gear, inspection windows. Shaft of ore chute is made sectional and has more than two sections mounted for disassembly. Filling funnel is placed in collar of ore chute, it comprises cone and branch pipe and enters shaft under action of own weight. Length of branch pipe of funnel amounts to 1.01-3.1 length of shaft section. Cone of funnel is provided with hooks at level of its upper cut. Section of shaft can be manufactured sectional along generating line of ore chute. EFFECT: diminished expenses for development of hill-like deposits by face-platform and reduced extent of interopencast transportation lines. 1 cl, 3 dwg