Cutter pick for mining using hydraulic stream

Details Cutter pick for mining using hydraulic stream Cutter pick for mining using hydraulic stream

1988-10-26

1990-02-20

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

175329, 175393, 299 17, F21B 1060, F21C 3518

Patent

active

049020730

ABSTRACT:
A cutter pick for a mining machine has a lug carrying a cutting tip of hard, abrasion resistant material at its forward end. A passage extends through the lug with provision at its rearward end for connection to a source of high pressure liquid and with a nozzle at its leading end venting through the cutting tip. The intention is that high pressure liquid issueing from the nozzle will degrade the rock before it is attacked by the cutting tip.

REFERENCES:
patent: 4280735 (1981-07-01), Lobbe
patent: 4606418 (1986-08-01), Thompson
patent: 4678237 (1987-07-01), Collin
patent: 4765687 (1988-08-01), Parrot

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