Mining method and apparatus

Details Mining method and apparatus Mining method and apparatus

E - Fixed Constructions

21

C

262/6

E21C 27/24 (2006.01) E21C 41/00 (2006.01)

Patent

CA 1079756

MINING METHOD AND APPARATUS Abstract of the Disclosure - A shaft is formed from ground level downwardly to a subterranean seam of coal or other solids following preliminary survey procedures to locate the seam and establish its dimen- sions. A passage is cut radially into the coal seam and away from the shaft near the bottom thereof while coal cuttings are removed and delivered to ground level. The seam is then cut on an arcuate path centered on said shaft along the entire length of the radial passage while coal cuttings continue to be removed and delivered through the shaft to ground level. The mining apparatus is modular and comprises plural mining modules to be placed in the coal seam by a placement and advancing unit which is lowered in the shaft. A rotational driving unit is subse- quently lowered in the shaft to drive coupled mining modules in unison through the coal seam on said arcuate path.

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