Tool component

Details Tool component Tool component

1983-09-21

1985-06-04

Novosad, Stephen J.

Boring or penetrating the earth

Bit or bit element

Magnetized or with magnet

175410, 175411, 22826312, E21B 1046

Patent

active

045208816

ABSTRACT:
A tool component comprising a composite compact located in a sloping recess in one end of a solid, elongate right-circular cylindrical pin and bonded thereto. The recess is characterized in that it is formed in the pin to one side of a longitudinal plane passing through the central axis of the pin and the base wall of the recess slopes from one end surface towards a side surface. Bonding of the composite compact to the pin is preferably achieved by means of a braze alloy having a working temperature of less than 700.degree. C. and containing silver, copper, zinc, manganese and nickel. The tool component has particular application as a cutting component for a drill bit.

REFERENCES:
patent: 4073354 (1978-02-01), Rowley
patent: 4221270 (1980-09-01), Vezirian
patent: 4289211 (1981-09-01), Lumen
patent: 4303136 (1981-12-01), Ball

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