Drill bit having improved cutter configuration
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 2, 1991
Issued Date -
N/A
app pub date -
Apr 3, 1990
filing date -
Jul 6, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Drill bits may include cutting members which have cutting faces formed of segments of differing cutting materials. The faces of the cutting members may include two or more segments, with the segments formed from at least two different materials. For example, a first segment could be formed of a polycrystalline diamond compact surface while a second segment could be formed of a thermally stable diamond product material.
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