Method of making tool inserts and drill bits

Details Method of making tool inserts and drill bits Method of making tool inserts and drill bits

B - Operations, Transporting

24

D

26/111, 51/145,

B24D 3/00 (2006.01) B21C 3/02 (2006.01) B21C 3/18 (2006.01) B23P 15/30 (2006.01) E21B 10/56 (2006.01)

Patent

CA 1125518

ABSTRACT OF DISCLOSURE A method of making inserts suitable for tool or drill bits which includes the step of fragmenting, e.g. by means of a laser beam, an abrasive compact in a plurality of discrete, non-segmental fragments. The inserts may have a variety of shapes, some of which are new, such as conical, truncated conical or truncated pyrimidal. The inserts are particularly useful for wire-drawing die blanks and core or oil-well drill bits.

334011

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