METHOD FOR VENTILATION OF MINE BLIND WORKING Russian patent published in 1997 - IPC

Abstract RU 2078215 C1

FIELD: mining industry, ventilation of mine blind workings. SUBSTANCE: method of ventilation of mine blind working located near existing through working includes drilling hole between working, installation of local ventilation fan and supply of fresh air through flexible pipeline. The method of ventilation of mine blind working is distinguished by the fact that the hole between workings is drilled with a diameter equalling the diameter of flexible pipeline. Local ventilation fan is installed in the existing through working and flexible pipeline is passed through hole to blind working. EFFECT: higher efficiency. 1 dwg

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RU 2 078 215 C1

Authors

Gertsen N.I.

Dates

1997-04-27Published

1994-11-16Filed