Tool with a large volume of a superhard material

Details Tool with a large volume of a superhard material Tool with a large volume of a superhard material

2007-11-30

2008-12-30

Gay, Jennifer H (Department: 3676)

Boring or penetrating the earth

Bit or bit element

Specific or diverse material

C175S425000

Reexamination Certificate

active

07469756

ABSTRACT:
In one aspect of the invention, a tool has a wear-resistant base suitable for attachment to a driving mechanism and also a hard tip attached to an interfacial surface of the base. The tip has a first cemented metal carbide segment bonded to a superhard material at a non-planar interface. A volume of the superhard material is about 75% to 150% of a volume of the first cemented metal carbide segment.

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patent: 6596225 (2003-07-01), Pope
patent: 6846045 (2005-01-01), Sollami

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