Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent
1993-11-24
1995-11-07
Neuder, William P.
Boring or penetrating the earth
Bit or bit element
Rolling cutter bit or rolling cutter bit element
175434, 408144, E21B 1046
Patent
active
054640687
ABSTRACT:
A drill bit comprises a working end having a slot formed therein and an unbacked diamond insert located in the slot and bonded to the working end, typically by brazing. The diamond insert will present a cutting edge or point for the bit. The diamond insert may be made of CVD diamond or diamond compact.
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