Apparatus for protecting of coal mine workers

Details Apparatus for protecting of coal mine workers Apparatus for protecting of coal mine workers

1976-09-24

1978-01-10

Taylor, Dennis L.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Stepper-type advance-causing means

61 45D, 299 43, E21C 3520

Patent

active

040676188

ABSTRACT:
An apparatus for protecting coal mine workers from flying coal, rocks, coal dust, scattering coal and the like, which are produced as a drum shearer works in a longwall coal face. The apparatus is provided with isolated walls or chambers between iron props installed in the self-advancing supports provided in the longwall coal face by use of fastening members. The isolated wall or chamber is connected with its adjacent wall or chamber by a flexible connecting member.

REFERENCES:
patent: 3280570 (1966-10-01), Pollard

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