Method Of Measuring Uncut Coal Rib Thickness In A Mine

Method Of Measuring Uncut Coal Rib Thickness In A Mine

Jun 16 1992nbsp018332A method for measuring uncut coal rib thickness in a mine comprising the steps of mounting an uncut coal sensor on a coal cutting machine positioned adjacent to an uncut coal rib and measuring the admittance of a magnetic dipole antenna attached to the sensor to generate electrical data signals representative of thickness of said uncut coal rib.

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