METHOD OF CONTROL OF AEROGASDYNAMIC PROCESSES IN MINING OF FORMATION OF COAL SEAMS Russian patent published in 1998 - IPC

Abstract RU 2101499 C1

FIELD: mining. SUBSTANCE: the offered method includes preparation of mine field by sinking shafts, driving of fringe drifts, intermediate crosscuts, holdings. Seams are stopped by single-side extraction fields on the mass of mine wing in direction of return gas-air current in mine field wing, stoping operations in extraction field relative to opening and sequence of mining of mine wing with simultaneous crosscut pillar stoping. EFFECT: higher efficiency. 1 dwg

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RU 2 101 499 C1

Authors

Dates

1998-01-10—Published

1995-05-12—Filed