Cutting bit and cutting insert

Details Cutting bit and cutting insert Cutting bit and cutting insert

1992-08-26

1995-07-04

Dang, Hoang C.

Boring or penetrating the earth

With tool shaft detail

Axially telescoping shaft section

175430, 175431, E21B 1042, E21B 1054

Patent

active

054291992

ABSTRACT:
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.

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