DRILLING BIT AND METHOD OF MAKING SAME

A cutting bit useful for cutting various earth strata and the cutting insert, which may be made from a polycrystalline diamond composite, for such a cutting bit. The cutting bit has at least one pocket at the axially forward end thereof which receives its corresponding cutting insert. The cutting in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BEACH WAYNE H, SHEIRER DANIEL C, ROWLETT DON C
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A cutting bit useful for cutting various earth strata and the cutting insert, which may be made from a polycrystalline diamond composite, for such a cutting bit. The cutting bit has at least one pocket at the axially forward end thereof which receives its corresponding cutting insert. The cutting insert has at least one exposed cutting edge which is of an arcuate shape.