Sheltering apparatus for use in long wall mining

Details Sheltering apparatus for use in long wall mining Sheltering apparatus for use in long wall mining

1978-06-15

1980-02-19

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

405296, E21D 1544

Patent

active

041892577

ABSTRACT:
A sheltering apparatus for use in the long wall face of mine wherein a plurality of plates are arranged in overlapping manner between a self-advancing support and an adjacent plate, and hung from wires whose ends are fixed to the supports through springs, and an air curtain is fixed at the front open portion of the support, whereby floating dust and falling dusty materials can be repelled from entering the inner space of the supports.

REFERENCES:
patent: 3702061 (1972-11-01), Kuhn et al.
patent: 3848420 (1974-11-01), Allen et al.
patent: 3916631 (1975-11-01), Agnew et al.
patent: 4067618 (1978-01-01), Nakajima et al.

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