Method and apparatus for sensing coal-rock interface
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United States of America Patent
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Jan 1, 1991
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N/A
app pub date -
Jun 9, 1989
filing date -
Jun 9, 1989
priority date (Note) -
Expired
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Abstract
The method and apparatus for sensing the coal-rock interface while longwall mining by placing the sensor in the cowl adjacent the shearer drum so that sensor on the leading drum can feedforward interface data for the control of the trailing shearer drum by properly positioning the drum while cutting.
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