Process of and an arrangement for mining

Details Process of and an arrangement for mining Process of and an arrangement for mining

1979-03-08

1981-03-10

Purser, Ernest R.

Mining or in situ disintegration of hard material

Processes

Breaking down by direct contact with fluid

299 34, 299 81, 175 67, E21C 2716, E21C 3706

Patent

active

042549957

ABSTRACT:
A cutting tool has a cutting edge for cutting into a surface of material to be mined so that fissures develop in the region of the bottom of the cut. The cutting tool is provided with apertures adjacent said cutting edge. High pressure fluid medium jets are directed through the apertures in the cutting tool adjacent the cutting edge thereof and against the bottom of the cut so that such jets can enter into the fissures.

REFERENCES:
patent: 3273940 (1966-09-01), Belugou
patent: 3542142 (1970-11-01), Hasiba et al.
patent: 3544166 (1970-12-01), Proctor
patent: 3865202 (1975-02-01), Takahashi et al.
patent: 4070064 (1978-01-01), Cobb et al.

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