Mining apparatus and method for an augered seam

Details Mining apparatus and method for an augered seam Mining apparatus and method for an augered seam

1976-08-10

1978-02-21

Purser, Ernest R.

Mining or in situ disintegration of hard material

Processes

With material-handling

37135, 214 1MS, 299 67, E21C 2730, E21C 4100

Patent

active

040749207

ABSTRACT:
A technique for mining coal or similar mineral employing existing auger holes or a specially drilled bore hole into the face of the coal, a guide anchor rod being inserted into the hole and having a pulley at its inner end, a first cable passing over the pulley pulls a coal recovery scoop into the hole, an additional cable is attached to the scoop and extends out of the hole to a winch which pulls the scoop and the coal out of the hole, and thereafter the first cable retracts the scoop into the hole to start another cycle of operation.

REFERENCES:
patent: 729566 (1903-06-01), Foglesong
patent: 1023370 (1912-04-01), Frink
patent: 3135061 (1964-06-01), Perry et al.
patent: 3597865 (1971-08-01), Rumfelt
patent: 3776594 (1973-12-01), Haspert

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