METHOD FOR MINING THICK SALT OUTBURST-PRONE SEAMS WITH COMPLICATED HYPSOMETRY OF THEIR OCCURRENCE Russian patent published in 1994 - IPC

Abstract RU 2015329 C1

FIELD: mineral mining. SUBSTANCE: in each run of combine, holes are drilled over upper layer of seam, charged with explosives, blasted and working face in ventilated. Then, extraction is effected by combine with selective cutting member from torpedo hole towards working perimeter up to design contour of working. Then, successively mined are anticlinal and synclinal folds. In so doing, working face is extracted to depth not exceeding length of actuating cutting member of combine. EFFECT: higher efficiency. 2 dwg

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RU 2 015 329 C1

Authors

Dolgov P.V.

Ermakov G.I.

Papulov L.M.

Tripolko A.S.

Tislenko E.S.

Davydov V.P.

Dates

1994-06-30—Published

1991-07-23—Filed