High pressure water jet mining machine

Details High pressure water jet mining machine High pressure water jet mining machine

1979-10-09

1981-05-05

Pate, III, William F.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter attached to endless chain or cable

299 17, E21C 2560

Patent

active

042654874

ABSTRACT:
A high pressure water jet mining machine for the longwall mining of coal is described. The machine is generally in the shape of a plowshare and is advanced in the direction in which the coal is cut. The machine has mounted thereon a plurality of nozzle modules each containing a high pressure water jet nozzle disposed to oscillate in a particular plane. The nozzle modules are oriented to cut in vertical and horizontal planes on the leading edge of the machine and the coal so cut is cleaved off by the wedge-shaped body.

REFERENCES:
patent: 3887235 (1975-06-01), Koppers
patent: 4181363 (1980-01-01), Goris
"Experimentation in Hydraulic Coal Mining", Preprint 77-F-32, SME-AIME, 1977 AIME Meeting, Mar. 6-10, 1977.
Information on Experience with Longwall-Face Set to Hydraulic Cutting at Ryner Colliery, Central Mining Institute, Oct. 1966.

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