Mineral mining machine with high pressure fluid nozzle and inten

Details Mineral mining machine with high pressure fluid nozzle and inten Mineral mining machine with high pressure fluid nozzle and inten

1979-03-14

1982-02-09

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter shiftable horizontally

299 17, 299 81, 175 67, E21C 2724, E21C 3706

Patent

active

043147305

ABSTRACT:
The machine comprises a rotatable cutting head and a high pressure water nozzle. The nozzle directs a jet of high pressure (up to 2,100 kg/cm.sup.2) water at the rock adjacent the cutting head. The jet of water provides an auxiliary cutting and breaking action, thus easing the load on the head. The water jet also suppresses dust formation.

REFERENCES:
patent: 3375887 (1968-04-01), Goodwin et al.
patent: 3799615 (1974-03-01), Taylor et al.
patent: 3927723 (1975-12-01), Hall et al.
patent: 3995908 (1976-12-01), Razgildeev et al.
patent: 4025116 (1977-05-01), Roepke et al.
patent: 4049318 (1977-09-01), Fruin
"Water-Jets Undergo Full-Scale Tests on Hard Rock Borer", Society of Mining Engr. p. 242, Mar. 1978.

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