Drift saver

Details Drift saver Drift saver

E - Fixed Constructions

21

C

E21C 41/22 (2006.01) E21F 15/02 (2006.01) E21F 15/08 (2006.01)

Patent

CA 2690233

The present invention relates generally to underground mining applications and the use of an inflatable device. The present invention relates to an inflatable device which is used to replace existing methods of building a backfill fence or shotcrete fence or other types of backfill barricades. The present invention also creates a void in an undercut so mining operations do not have to redevelop through the backfill to establish the next pane] in the stoping sequence.

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