Erosion resistant cutting bit with hardfacing

Details Erosion resistant cutting bit with hardfacing Erosion resistant cutting bit with hardfacing

1986-12-19

1988-02-16

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

175410, 299 92, E21B 1046

Patent

active

047250984

ABSTRACT:
A rotary cutting bit for use in mining and excavating applications that incorporates an annular groove about a head portion of the bit immediately rearwardly of where a hard tip of the bit is seated. A hardfacing material is deposited in the groove in the form of an annular ring.

REFERENCES:
patent: 3945681 (1976-03-01), White
patent: 4484783 (1984-11-01), Emmerich
patent: 4561698 (1985-12-01), Beebe

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