High pressure water assisted mining and tunnelling machine

Details High pressure water assisted mining and tunnelling machine High pressure water assisted mining and tunnelling machine

1991-02-22

1992-05-19

Bagnell, David J.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

299 53, E21C 3522

Patent

active

051142139

ABSTRACT:
An accessory for a mining or tunnelling machine comprising a cutting drum is disclosed. The accessory comprises a radial piston pump mountable in the cutting drum, the pump comprising a plurality of piston and cylinder assemblies adapted to supply water under pressure to a nozzle or nozzles mounted in the periphery of the drum.

REFERENCES:
patent: 4049318 (1977-09-01), Fruin

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