Sectorial sprinkling device for coal mining

Details Sectorial sprinkling device for coal mining Sectorial sprinkling device for coal mining

1985-11-20

1987-04-28

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

299 42, E21C 3522, E21F 502

Patent

active

046608923

ABSTRACT:
A sectorial sprinkling device for coal mining includes, in the central portion of a cutting drum of a cutting machine, a plurality of concentric piping systems which are connected to water delivery means. An interior piping system is permanently connected to the picks of the shearing disc of the drum, but the other two piping systems open via radial ducts into sectorial chambers whose angular extent corresponds to that of the active sectors of the lateral face of the cutting drum, depending on whether the cutting drum is in the high or low cutting position.

REFERENCES:
patent: 3843199 (1974-10-01), Nash et al.
patent: 4154482 (1979-05-01), Farman
patent: 4212497 (1980-07-01), Borowski et al.
patent: 4516807 (1985-05-01), Eagles
patent: 4565410 (1986-01-01), Hotger

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