E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
E21C 25/60 (2006.01) B26F 3/00 (2006.01) E21C 47/10 (2006.01)
Patent
CA 2064205
Apparatus for cutting erosive materials such as stone and the like includes a high-velocity, high-pressure water lance (1) which can be raised and lowered as necessary. The lower end of the water lance carries a cutting head in the form of a nozzle as- sembly (4) able to be rotated about the longitudinal axis (5) of the water lance, instead of merely being able to be oscillated as in prior art apparatus. The water lance (1) is mounted upon a carriage (9) which can be propelled in directions at right angles to each other and the water lance (1) may be supported by a vertically-disposed truss (2), which itself may be relocatable about the longitudinal axis of the lance.
Burgess Stanley Robert
Higgins Christopher Lyndon
Australian Stone Technology Pty. Limited
Kirby Eades Gale Baker
LandOfFree
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