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(11) | EP 0 198 643 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Mineral cutting picks |
(57) The invention provides a method of, apparatus for, flushing with water a mineral
cutter pick of the kind having a head (5) terminated with a hard cutting tip (6),
in which one or more jets of water (13) are directed from nozzles (12) in the pick
holder (8) at the pick at an acute angle to the head of the pick so that the water
strikes (14) the pick head and is carried forward over the surface of the pick head
by its own momentum into the vicinity of the cutting tip. |