Cutter element with expanded crest geometry
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 5, 2001
Grant Date -
N/A
app pub date -
Sep 3, 1998
filing date -
Jun 21, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cutter element for a drill bit. The cutter element has a base portion and an extending portion and the extending portion has either a zero draft or a negative draft with respect to the base portion. The non-positive draft allows more of the borehole bottom to be scraped using fewer cutter elements. The cutter elements having non-positive draft can be either tungsten carbide inserts or steel teeth.
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