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Superhard cutters and associated methods

  • US 7,658,666 B2
  • Filed: 04/10/2007
  • Issued: 02/09/2010
  • Est. Priority Date: 08/24/2004
  • Status: Active Grant
First Claim
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1. A method of forming a cutting device, comprising:

  • arranging a plurality of individual polycrystalline cutting elements in an uncured organic material, each of the plurality of individual polycrystalline cutting elements having a substantially matching, wedge-shaped geometric configuration and a longitudinal axis extending from a base of the wedge-shaped geometric configuration toward an apex of the wedge-shaped geometric configuration;

    orienting at least some of the wedge-shaped cutting elements such that a longitudinal axis of each of the at least some cutting elements is aligned along, and is collinear with, a radius of the cutting device, and a wider portion of each of the at least some cutting elements is disposed nearer an outer perimeter of the cutting device than is a narrower portion of each of the at least some cutting elements; and

    curing the organic material to form a solidified organic material layer, such that each of the plurality of individual polycrystalline cutting elements is secured therein.

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