E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
262/68
E21C 25/52 (2006.01) B28D 1/00 (2006.01) B28D 1/26 (2006.01) E21C 25/60 (2006.01) E21C 37/00 (2006.01)
Patent
CA 1214796
ABSTRACT An impact tool for breaking rock and rock-like material adapted to deliver a high velocity jet of water against the material and a method of breaking rock and rock-like material consisting of delivering a high velocity jet of water to the material to be broken while impacting the material mechanically are disclosed. Particular embodiments in which the high velocity jet passes through or in contact with a low pressure accumulation of water are described.
407987
Hatch James H.
Whaling Michael H.
Gowling Lafleur Henderson Llp
Inco Limited
Teledyne Canada
LandOfFree
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