Earth-boring tools, methods of making earth-boring tools and methods of drilling with earth-boring tools
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United States of America Patent
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Mar 6, 2012
Grant Date -
Mar 31, 2011
app pub date -
Sep 28, 2010
filing date -
Sep 28, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
Earth-boring tools comprise a body having a face at a leading end. A plurality of cutting elements are disposed over the face and configured as a plurality of kerfing pairs comprising two or more cutting elements disposed at substantially the same radial position relative to a bit axis, wherein each of the at least two cutting elements follows substantially the same cutting path when the bit is rotated about its axis. Earth-boring tools are further configured so that a summation of a lateral force generated during drilling by each cutting element of the plurality of cutting elements is directed toward a side of the body.
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