Tools for mineral winning machines

Details Tools for mineral winning machines Tools for mineral winning machines

E - Fixed Constructions

21

C

262/83

E21C 25/60 (2006.01) E21C 27/32 (2006.01) E21C 27/44 (2006.01) E21C 35/187 (2006.01)

Patent

CA 1122234

ABSTRACT OF THE DISCLOSURE A tool for a mineral winning machine, more usually a plough, has a flat plate-like body with a bore containing a nozzle insert and preferably a hard metal cutting region or blade is also provided on the body. High pressure water is conveyed through the bore and nozzle insert to discharge as a jet which is directed to impinge against the mineral or coal face to effect a cut therein hydraulically. The nozzle insert has its discharge mouth in a protected position inside the body. - 2 -

314514

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