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1. (WO2018098584) APPARATUS AND METHOD FOR PREPARING A BLAST HOLE IN A ROCK FACE DURING A MINING OPERATION

Pub. No.:    WO/2018/098584    International Application No.:    PCT/CA2017/051445
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Sat Dec 02 00:59:59 CET 2017
IPC: F42D 1/08
F42D 1/00
F42D 3/04
Applicants: 1854081 ONTARIO LTD.
Inventors: STEELE, Roderick Mark
ROOS, Colin
Title: APPARATUS AND METHOD FOR PREPARING A BLAST HOLE IN A ROCK FACE DURING A MINING OPERATION
Abstract:
Apparatus and methods for preparing a blast hole in a rock face during a mining operation are disclosed. An exemplary method comprises: deploying a first tool toward the blast hole in the rock face via a common tool outlet of a feed unit using a first tool station of the feed unit; retracting the first tool from the common tool outlet using the first tool station of the feed unit and retaining the first tool in the first tool station; and while the first tool is retained in the first tool station, deploying a second tool toward the blast hole in the rock face through the common tool outlet of the feed unit using a second tool station of the feed unit.