B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
51/84
B24B 11/00 (2006.01) B24B 3/60 (2006.01)
Patent
CA 1333334
This invention relates to an automated device for automatically grinding button bits for the kind of bits used mainly in drilling of underground mines, quarries, blast holes and water wells, etc. In the prior art the grinding of button bits of mining and drilling equipment has been performed manually. This manual handling is time consuming and as it requires little skill is inefficient and wasteful. The present invention seeks to overcome the disadvantages by providing an automated device for grinding button drill bits.
593874
Manqvist Kallevi Keijo
Sjolander Robert
Blaney Mcmurtry Llp
C.m.e. Blasting & Mining Equipment Ltd.
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