Method of drill bit manufacture and product

Details Method of drill bit manufacture and product Method of drill bit manufacture and product

1981-10-09

1984-06-12

Hunt, Brooks H.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

428553, 428554, 428555, 428627, 164111, 427249, B22F 708

Patent

active

044542054

ABSTRACT:
A method for making a drill bit and product resulting therefrom in which carbide elements are coated with carbide and nitride materials such as those of titanium as by chemical vapor deposition after which the elements are cast in molten steel.

REFERENCES:
patent: 684359 (1901-10-01), Vair
patent: 3554782 (1967-08-01), Nieberlein
patent: 3790353 (1974-02-01), Jackson et al.
patent: 3832221 (1974-08-01), Ekemar
patent: 4035541 (1977-07-01), Smith et al.
patent: 4101318 (1978-07-01), Rudy
patent: 4187626 (1980-02-01), Greer et al.

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