Multidirectional drill bit cutter
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United States of America Patent
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-
Jan 18, 1994
Grant Date -
N/A
app pub date -
Mar 4, 1992
filing date -
Mar 4, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A multidirectional drill bit cutter comprising a cylindrical stud having a layer of polycrystalline diamond formed thereabout. In one embodiment the stud is fortified with diamond grit and diamond rods to reduce stud wear and to reduce the depth of cut taken by the polycrystalline diamond cutting element formed about the stud. In another aspect of the invention, an earth-boring drilling system having a pair of flat profile bits utilizes multidirectional cutters in a manner which causes them to cut from a plurality of different directions.
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