Method of fabrication of rock bit inserts

Details Method of fabrication of rock bit inserts Method of fabrication of rock bit inserts

B - Operations, Transporting

22

F

26/111, 29/45

B22F 7/00 (2006.01) B22F 7/06 (2006.01) C04B 35/56 (2006.01) E21B 10/52 (2006.01) E21B 10/56 (2006.01)

Patent

CA 1170028

ABSTRACT OF THE DISCLOSURE A method of fabricating a rock bit insert which has improved wear characteristics is disclosed. Se- lected surfaces of the insert are implanted with a harder grade of tungsten carbide and sintered thereto. The special insert then would find application in the gage row of, for example, a roller cone rock bit.

379267

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