Rock bit roller cutter and method therefor

Details Rock bit roller cutter and method therefor Rock bit roller cutter and method therefor

1976-12-16

1978-08-22

Stallard, W.

Metal treatment

Compositions

Heat treating

148 132, 148 14, 148 31, 148 325, 148142, 175374, 175409, C21D 922

Patent

active

041086929

ABSTRACT:
In a rock bit, roller cutter body having plural hard metal inserts; the body is formed of an age-hardenable superalloy having dimensional stability through hardening enabling pre-drilling of the insert-receiving holes prior to hardening the body, and method therefor.

REFERENCES:
patent: 2489529 (1949-11-01), Grange
patent: 2626128 (1953-01-01), Boice
patent: 2687875 (1954-08-01), Morlan et al.
patent: 2870051 (1959-01-01), Klement
patent: 2944889 (1960-07-01), Klement
patent: 3093518 (1963-06-01), Bieber
patent: 3093519 (1963-06-01), Decker et al.
patent: 3842921 (1974-10-01), Dill et al.
Mining Congress Journal, Apr. 1971, pp. 40-48.
Alloy Digest, "Unimar 250," SA-304, May 1974, Engr. Alloy Digest Inc., Upper Montclair, N.J.

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