Superabrasive cutting elements having enhanced durability, method of producing same, and drill bits so equipped
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United States of America Patent
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Mar 13, 2007
Issued Date -
N/A
app pub date -
Aug 15, 2005
filing date -
Feb 24, 2003
priority date (Note) -
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Abstract
A superabrasive cutting element including a diamond or other superabrasive material table having a peripheral cutting edge defined by at least two adjacent chamfers having an arcuate surface substantially tangent to each of the at least two chamfers interposed therebetween. Methods of producing such superabrasive cutting elements and drill bits equipped with such superabrasive cutting elements are also disclosed.
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