Erosion resistant cutting bit with hardfacing

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

E - Fixed Constructions

21

B

262/83

E21B 10/46 (2006.01) E21C 35/183 (2006.01) E21C 35/18 (2006.01)

Patent

CA 1307299

0847 ABSTRACT OF THE DISCLOSURE A rotary cutting bit (10) for use in mining and excavating that incorporates an annular groove (34) about a head (16) of the bit (10) immediately rearwardly of where a hard tip (28) of the bit (10) is seated. A hardfacing material (32) is deposited in the groove (34) in the form of an annular ring.

554747

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