Cutting element for a rotary drill bit and method for making sam

Details Cutting element for a rotary drill bit and method for making sam Cutting element for a rotary drill bit and method for making sam

1986-07-29

1987-11-10

Novosad, Stephen J.

Boring or penetrating the earth

Bit or bit element

Plural separable cutter elements

29458, 295275, 51309, 76108A, 408144, E21B 1046

Patent

active

047051230

ABSTRACT:
A cutting element comprises a stud and a cutting blank bonded to a mounting face of the stud. The stud comprises stiffening elements of a refractory carbide embedded in a body of steel. The mounting surface is formed partially of carbide and partially of steel, and the cutting blank is bonded to the steel and carbide.

REFERENCES:
patent: 4452325 (1984-06-01), Radd et al.
patent: 4592433 (1986-06-01), Dennis

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