Roof supports for a mining installation

Details Roof supports for a mining installation Roof supports for a mining installation

1990-12-06

1992-04-14

Bagnell, David J.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

299 33, C21D 2300

Patent

active

051042673

ABSTRACT:
A mine roof support or lining frame for use in mine workings with thick inclined seams has hydraulic props mounted between an inclined goaf shield and a floor sill. The floor sill is coupled with a shifting mechanism to a frame supporting a conveyor extending along a working face of the seam. Mineral from a region of the seam extending over the support passes through an opening in the shield onto a chute which takes an inclined disposition parallel to the conveyor. Material transferred to the chute discharges in the direction of transport of the conveyor.

REFERENCES:
patent: 4386878 (1983-06-01), Martinko et al.
patent: 4560306 (1985-12-01), Murfitt
Gluckauf 9-1967, pp. 1015-1016.
Gluckauf 1985, p. 1282.

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