Device for supplying fluid to a tool for breaking hard material

Details Device for supplying fluid to a tool for breaking hard material Device for supplying fluid to a tool for breaking hard material

1986-06-10

1987-11-10

Leppink, James A.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

F21B 1018, E21C 3522

Patent

active

047053216

ABSTRACT:
The invention relates to a device for supplying fluid to a tool for breaking solid material, said tool being mounted in a holder, and that a nozzle is arranged in or in connection to the tool. A connection element for fluid transmission is arranged to bridge the opposing contact surfaces on the holder and the machine part in such a way that fluid is prevented to enter between said contact surfaces.

REFERENCES:
patent: 4070064 (1978-01-01), Cobb et al.
patent: 4154482 (1979-05-01), Farman
patent: 4437707 (1984-03-01), Best et al.
patent: 4456306 (1984-06-01), Wrulich et al.
patent: 4488759 (1984-12-01), Bergqvist
patent: 4573744 (1986-03-01), Clemmow et al.
patent: 4585275 (1986-04-01), Wrulich et al.

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