Bowed out chisel insert for rock bits

Details Bowed out chisel insert for rock bits Bowed out chisel insert for rock bits

E - Fixed Constructions

21

B

E21B 10/08 (2006.01) E21B 10/16 (2006.01) E21B 10/52 (2006.01)

Patent

CA 2146310

A chisel type insert is disclosed having a contoured surface in which the vertical lines located on the surface are bowed outwardly in a convex manner thereby eliminating blend radii from the cutting tip and the high stress concentrations associated therewith.

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