Diamond drag bit

Details Diamond drag bit Diamond drag bit

1991-09-23

1993-05-25

Neuder, William P.

Boring or penetrating the earth

Bit or bit element

Impact or percussion type

175428, E21B 1046

Patent

active

052131718

ABSTRACT:
This invention consists of a diamond drag bit having a multiplicity of cutter studs secured within strategically positioned insert holes formed by a cutter face of the drag bit body. Means are provided to support the portion of the cutting end of each of the extended insert studs protruding above the bit face.

REFERENCES:
patent: 4200159 (1980-04-01), Peschel et al.
patent: 4244432 (1981-01-01), Rowley et al.
patent: 4265324 (1981-05-01), Morris et al.
patent: 4351401 (1982-09-01), Fielder
patent: 4460053 (1984-07-01), Jurgens et al.
patent: 4498549 (1985-02-01), Jurgens
patent: 4505342 (1985-03-01), Barr et al.
patent: 4669556 (1987-06-01), Barr

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