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Cutting elements

  • US 4,307,984 A
  • Filed: 11/19/1979
  • Issued: 12/29/1981
  • Est. Priority Date: 11/19/1979
  • Status: Expired due to Term
First Claim
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1. A cutting element comprising:

  • A. a cutting member comprising ultra-hard crystalline material;

    B. a support body comprising a highly conductive low oxidizing metal selected from the group consisting of silver, gold, platinum, tungsten and rhodium; and

    C. a cushion layer comprising a ceramic clay substantially between the ultra-hard crystalline material and the support body.

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