Device for cooling cutting teeth of cutter heads of cutting mach

Details Device for cooling cutting teeth of cutter heads of cutting mach Device for cooling cutting teeth of cutter heads of cutting mach

1978-04-11

1980-02-05

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

With material-handling means

299 12, E21C 708

Patent

active

041869710

ABSTRACT:
In a rock cutting machine which includes a cutter arm having an inner end and an outer end carrying a toothed cutter which rotates about an axis transverse to the longitudinal dimension of the arm, an improved cooling device for the cutting teeth of the cutter comprising a nozzle device for receiving supplies of compressed air and water and constructed to create and discharge a stream of air in which particles of liquid water are dispersed or atomized, the nozzle device being carried by the cutter arm at a location spaced from the cutter toward the inner end of the arm and arranged in a position to discharge the stream toward the cutter in a spray pattern such that the stream impinges on the teeth of the cutter as the teeth pass through the pattern during rotation of the cutter.

REFERENCES:
patent: 1503870 (1924-08-01), Ball et al.
patent: 2743095 (1956-04-01), Wright
patent: 4076315 (1978-02-01), Gundlach et al.
patent: 4084855 (1978-04-01), Miles et al.

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