Mining or in situ disintegration of hard material – Processes – Directly applying heat or vibration
Reexamination Certificate
2005-07-05
2005-07-05
Bagnell, David (Department: 3672)
Mining or in situ disintegration of hard material
Processes
Directly applying heat or vibration
C175S011000, C175S016000
Reexamination Certificate
active
06913320
ABSTRACT:
A free-blast method for extracting ore from an ore vein deposit wherein the vein is extracted by causing the ore comprised between the rock walls bordering the vein to spall into fragments. The ore fragments are recuperated as by aspiration and subsequently processed to retrieve the precious mineral.
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(Ogilvy Renault)
Bomar To Shane
Rocmec International Inc.
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