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US T101,301 I4Granted
Method for blasting rock
OwnerPer-Anders Persson, Roger Holmberg +1inventors
InventorsPer-Anders Persson, Roger Holmberg, Gunnar Nord
Life of this patent
Estimating the term…
Abstract
Method of blasting rock to attain a predetermined fracture result. The necessary energy for the blasting is provided at an amount and in an application which is decided by calculating the stresses with regard to previously plotted blasting effects and to a previously prepared description of the rock structure.
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