Cutting tool with nozzle for spraying water on cutter bit

Details Cutting tool with nozzle for spraying water on cutter bit Cutting tool with nozzle for spraying water on cutter bit

2006-08-29

2006-08-29

Singh, Sunil (Department: 3673)

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

Reexamination Certificate

active

07097257

ABSTRACT:
A holder block is mounted on a carrier and has formed therein a first hole and a water passage. A sleeve is mounted in the first hole and receives a cutter bit. The sleeve includes a shank and an enlarged flange disposed at a front end thereof. The shank is disposed in the first hole. The flange includes a rearwardly facing shoulder bearing against an outer surface of the block. A second hole extends through the shank and the flange and is adapted to receive the cutter bit. A spray nozzle is disposed in the flange and is connected to the water passage by way of an annular groove, for receiving water which it sprays forwardly against the cutter bit.

REFERENCES:
patent: 4333687 (1982-06-01), Barnstorf
patent: 4678238 (1987-07-01), Emmerich
patent: 4915454 (1990-04-01), Southern
patent: 6099081 (2000-08-01), Warren et al.
patent: 6485104 (2002-11-01), Keller
patent: 2 092 205 (1982-08-01), None
patent: 1550126 (1990-03-01), None

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