E - Fixed Constructions – 21 – D
Patent
E - Fixed Constructions
21
D
61/47
E21D 20/02 (2006.01) E21C 41/16 (2006.01) E21D 20/00 (2006.01) E21D 21/00 (2006.01)
Patent
CA 1254046
Abstract of the disclosure A method for carrying out wire bolting for bolting a rock, in which method drill holes are drilled in the rock through an ore body, and a wire is pushed into the holes. In order that the wires would not hamper the emp- tying of the ore body, the wire is weakened before it is passed into the hole at least at one point in such a man- ner that the wire breaks at the weakened point when the ore is blasted. (Figure 1)
519788
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Oy Tampella Ab
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