Superabrasive cutting elements having enhanced durability,...

Details Superabrasive cutting elements having enhanced durability,... Superabrasive cutting elements having enhanced durability,...

2007-03-13

2007-03-13

Neuder, William (Department: 3672)

Boring or penetrating the earth

Bit or bit element

Specific or diverse material

C175S431000, C175S434000

Reexamination Certificate

active

11204289

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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IBM Technical Disclosure Bulletin, vol. 13, No. 11, Apr. 1971, 2 pages.

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