Cutter bit and tip

Details Cutter bit and tip Cutter bit and tip

1988-07-20

1990-03-27

Kisluik, Bruce M.

Mining or in situ disintegration of hard material

Miscellaneous

172713, 172745, 175410, 175411, 407118, E21C 3510

Patent

active

049115049

ABSTRACT:
A cemented carbide tip is provided with a socket for mounting onto the steel shank of a cutter bit. The socket has an annular convex surface therein extending from the earth engaging portion of the tip radially inwardly and forwardly. This convex surface is brazed to the forward end of a steel shank to form a cutter bit.

REFERENCES:
patent: 177973 (1876-05-01), Trissler
patent: 2614813 (1952-10-01), Shepherd
patent: 2628072 (1953-02-01), Baker
patent: 2707619 (1955-05-01), Anderson
patent: 2784943 (1957-03-01), Bylund
patent: 3336081 (1967-08-01), Ericsson
patent: 3557416 (1971-01-01), Jones
patent: 3655244 (1972-04-01), Swisher
patent: 3718370 (1973-02-01), Caserta
patent: 4150728 (1979-04-01), Garner et al.
patent: 4176725 (1979-12-01), Shields
patent: 4190127 (1980-02-01), Wolf
Designing with Kennametal (1957).
Designing with Kennametal (1980).

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