Method and apparatus for open pit bench mining
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United States of America Patent
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Jun 1, 2010
Grant Date -
Apr 24, 2008
app pub date -
Sep 9, 2005
filing date -
Sep 15, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A bench mining system and mining method, particularly useful for open pit bench mining, employs a combination of bulldozers and transversely movable apron feeders to provide the primary mechanism for removal of overburden. The apron feeders are preferably equipped with a self-cleaning arrangement to facilitate continuous operation without undue stoppages.
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