Water spray nozzle for use with a mineral pick box

Details Water spray nozzle for use with a mineral pick box Water spray nozzle for use with a mineral pick box

1991-11-19

1993-03-23

Bagnell, David J.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

239600, E21C 3522

Patent

active

051958058

ABSTRACT:
A water spray nozzle for use with a pick box includes an elongate body member of circular section, and a head having a water discharge aperture with a water conveying passage communicating between the discharge aperture and a water inlet end of the passage. Intermediate the ends of the nozzle is a recess which can be engaged, in use, by a wire-like fastener adapted to latch the spray nozzle mechanically in a receiving bore of the pick box. A circumferential groove in the nozzle carries a resilient O-ring adapted, in use, to provide a water seal by engaging the receiving bore of the pick box.

REFERENCES:
patent: 4542942 (1985-09-01), Zitz et al.
patent: 4555143 (1985-11-01), Wrulich et al.

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