F - Mech Eng,Light,Heat,Weapons – 42 – D
Patent
F - Mech Eng,Light,Heat,Weapons
42
D
102/8
F42D 3/00 (2006.01) E21C 37/06 (2006.01) F42D 3/04 (2006.01)
Patent
CA 1167316
ABSTRACT The invention provides a blasting method and installation. The installation comprises a carriage having drilling means and explosive loading means thereon and a guide on which the carriage is mounted for moving it along an elongated rock face. Initiating means is provided on the carriage for initiating explosive and the installation includes an extraction conveyor extending along the rock face for removing broken rock. The method involves moving the carriage intermittently along the rock face along the guide and from the carriage, when it is stationary, successively drilling a series of holes in the rock face, loading said holes with explosive charges, and initiating the explosive charges in the holes before the series has been drilled.
385758
Aeci Limited
Ballantyne Donald G.
LandOfFree
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