Spraying nozzle arrangement

Details Spraying nozzle arrangement Spraying nozzle arrangement

1982-01-19

1984-03-20

Purser, Ernest R.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

175393, E21C 3522

Patent

active

044377070

ABSTRACT:
A spraying nozzle for a cutting roller for underground mining, which is located in the vicinity of the cutting bit provided on the blade or closure ring of the roller, has a nozzle shield enclosing the nozzle and coaxially mounted therewith on the respective blade or closure ring of the roller. The nozzle shield is formed with a recess to receive the head of the nozzle and has an upper surface sloping in a direction opposite to the direction of rotation of the cutting roller to reduce wear of the nozzle shield subject to flowing abrasive mineral mined.

REFERENCES:
patent: 2634101 (1953-04-01), Sloan
patent: 2885186 (1959-05-01), Hammer
patent: 3744581 (1973-07-01), Moore
patent: 4268089 (1981-05-01), Spence et al.

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