Mining method and apparatus

Details Mining method and apparatus Mining method and apparatus

1976-04-20

1978-07-25

Purser, Ernest R.

Mining or in situ disintegration of hard material

Processes

Stabilizing underground structure

198864, 198865, 299 18, 299 33, E21D 1548

Patent

active

041025504

ABSTRACT:
Connected support sections for a mineral face conveyor are individually supported on the forward sides of chocks which move in towards the rib of a panel behind a mining machine. Backfill is transported to the mined area behind the moved-up chocks via a conveyor supported from connected support sections on the rear sides of the chocks.

REFERENCES:
patent: 304714 (1884-09-01), Ely
patent: 1432904 (1922-10-01), Reilly
patent: 2880735 (1959-04-01), Strickland
patent: 3731976 (1973-05-01), Granskog
patent: 3856356 (1974-12-01), Allen
patent: 3920115 (1975-11-01), Craggs

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