Expanded coverage carbide compact
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 14, 2006
Grant Date -
May 12, 2005
app pub date -
Nov 10, 2003
filing date -
Nov 10, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A drill bit with rolling cone cutters for drilling a borehole in an earthen formation. The bit has a bit body, at least one leg depending from the bit body, a rolling cone rotatably mounted on the leg, the cone having a plurality of adjacent rows of cutters thereupon, at least one hole formed within the cone, the hole having a cylindrical wall, and a cutting element partially disposed within the hole, the cutting element having a cylindrical base which fits within the cylindrical wall of said hole, a shoulder which extends outward from the base of the cutting element, and an exposed cutting end extending from the shoulder, the cutting end being substantially symmetrical about a longitudinal axis of the cutting element.
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Cited Art Landscape
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