Mineral mining apparatus
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United States of America Patent
Stats
-
Jul 16, 1985
Grant Date -
N/A
app pub date -
Feb 8, 1983
filing date -
Feb 9, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Mineral mining apparatus comprising a pick head 1 mounted on a pick holder 4 for displacement of a cutting part 5 in the direction of arrow A has a nozzle 9 in the head 1 through which nozzle water is sprayed for dust suppression, cooling or flushing purposes. The characteristics of the nozzle 9 provide the spray 22 with a flat configuration where the width y of the spray is greater than its depth x. Preferably the width y lies in the cutting plane 20 of the cutting part and the spray follows the cutting part to alleviate incendive sparking. In a modification the nozzle 9 can be mounted on the holder 4.
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