Superabrasive compact with selected interface and rotary...

Details Superabrasive compact with selected interface and rotary... Superabrasive compact with selected interface and rotary...

2006-08-09

2009-02-24

Neuder, William P (Department: 3672)

Boring or penetrating the earth

Bit or bit element

Specific or diverse material

Reexamination Certificate

active

07493972

ABSTRACT:
A superabrasive compact including a superabrasive layer bonded to a substrate along a selected interface is disclosed. In one embodiment, an interface may comprise a depression and a dividing wall, wherein the dividing wall forms at least one closed plane figure. In another embodiment, an interface may comprise a depression, a dividing wall forming at least one closed plane figure, and at least one raised feature positioned within the depression. In a further embodiment, an interface may comprise a depression formed into the substrate, the depression surrounded by a closed peripheral wall exhibiting a thickness of about 0.080 inches or less. A rotary drill bit including at least one cutting element is also disclosed.

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