Drill bit

Details Drill bit Drill bit

1980-03-10

1983-02-15

Pate, III, William F.

Boring or penetrating the earth

Bit or bit element

Magnetized or with magnet

175410, E21B 1046

Patent

active

043735932

ABSTRACT:
A rotary boring bit for boreholes comprises a body provided on its outer periphery with cutting members (6) consisting of a cutting portion (8) and a supporting portion (7), each cutting member being formed as a segment of a sintered body (1) having a core (3) of cutting material encased by a shell (2).

REFERENCES:
patent: 1952002 (1934-03-01), Trembow
patent: 2275021 (1942-03-01), Somes
patent: 3106973 (1963-10-01), Christensen
patent: 3702573 (1972-11-01), Nemeth
patent: 3745623 (1973-07-01), Wentorf
patent: 4200159 (1980-04-01), Peschel

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