Cutter bit for a mining machine

Details Cutter bit for a mining machine Cutter bit for a mining machine

1981-05-14

1983-09-20

Pate, III, William F.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

299 86, 251353, E21C 3522

Patent

active

044051786

ABSTRACT:
A cutter bit assembly for a mining machine cutter head incorporating a novel valve in the form of a resilient sleeve which is deflected to open the valve and conduct fluid through nozzle means at the tip of the bit when the bit is forced into a bore as it engages material being mined.

REFERENCES:
patent: 3117700 (1964-01-01), Gorman
patent: 3270925 (1966-09-01), Obst
patent: 4251109 (1981-02-01), Roepke
patent: 4333687 (1982-06-01), Barnstorf

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