Mineral mining installation with face end winning

Details Mineral mining installation with face end winning Mineral mining installation with face end winning

1978-02-02

1979-07-03

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter attached to endless chain or cable

E21C 2735

Patent

active

041598504

ABSTRACT:
A mineral mining installation has a longwall conveyor provided with a guide at the face-side thereof. A drive frame is provided at each end of the conveyor, and a plough is movable along the guide to win material from the longwall face. The plough is driven by a chain passing round a pair of end sprockets associated with the drive frames. The plough is constituted by a pair of plough bodies joined together by an intermediate member pivotally connected therebetween. Each of the plough bodies is provided with cutter bits and the intermediate member may also have cutter bits. The two ends of the plough driving chain are connected to the intermediate member, and the plough is of sufficient length to enable material to be won at least as far as each end sprocket.

REFERENCES:
patent: 3488094 (1970-01-01), Ostrop et al.
patent: 3785704 (1974-01-01), Ostrop et al.

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