Polycrystalline cutter with multiple cutting edges

Boring or penetrating the earth – Processes

Reexamination Certificate

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Details

C175S428000, C175S432000

Reexamination Certificate

active

07316279

ABSTRACT:
A cutting element includes a layer of integrally bonded superabrasive particles disposed over a substrate. The layer has an outer circumference comprising at least one trough having a distinct cutting point on either side of the trough. A rock drilling drag bit incorporating the cutting element and a method of cutting a material using the cutting element are also disclosed.

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