US PATENT SUBCLASS 299 / 1.1
.~ Ore/rock interface determination during cutting

Current as of: June, 1999
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299 /   HD   MINING OR IN SITU DISINTEGRATION OF HARD MATERIAL

1.05  DF  AUTOMATIC CONTROL; SIGNALING OR INDICATING {4}
1.1.~ Ore/rock interface determination during cutting {1}
1.2  DF  .~.~> On cutter head

DEFINITION

Classification: 299/1.1

Ore/rock interface determination during cutting:

(under subclass 1.05) Process or apparatus where cutting means are adjusted to remove a mineral in response to the detection of a point where the mineral ends and the nonvaluable material begins.