Cutter bit and tip

E - Fixed Constructions – 21 – C

Patent

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

Patent

CA 1332179

ABSTRACT OF THE DISCLOSURE 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.

606109

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