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US 5,464,068 AGranted
Drill bits
OwnerMohammad Najafi-Saniinventor
Life of this patent
Estimating the term…
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.
Claims9
A drill bit comprising a working end having a slot formed therein and an unbacked diamond insert consisting of a layer of CVD diamond located in the slot and bonded directly to the working end by a braze alloy, the diamond insert presenting a cutting edge or point for the bit.
Dependencies are inferred from the claim text.