Mine roof support unit having dust suppression means

Details Mine roof support unit having dust suppression means Mine roof support unit having dust suppression means

1983-09-19

1985-11-12

Husar, Cornelius J.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

405296, 299 12, E21D 1702, E21D 1900, E21C 4702

Patent

active

045524874

ABSTRACT:
A mine roof support unit has a roof shield for supporting the roof of a mine working, and a goaf shield for screening off the goaf space of the working. The mine roof support unit is provided with dust suppression means constituted by a flat-section spray nozzle arranged along the front edge of the roof shield, or along the top edge of the goaf shield. The spray nozzle is directed upwardly away from the roof support unit and towards the goaf space.

REFERENCES:
patent: 2693950 (1954-11-01), Calder
patent: 2763511 (1956-09-01), Berry
patent: 3859801 (1975-01-01), Weirich
patent: 3906733 (1975-09-01), Koppers
patent: 3916631 (1975-11-01), Agnew et al.
patent: 4075857 (1978-02-01), Elsner et al.
patent: 4243268 (1981-01-01), Lobbe et al.
patent: 4293247 (1981-10-01), Rosenberg et al.

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