Cutting tool and method of making the cutting tool

  • US 5,722,803 A
  • Filed: 07/14/1995
  • Issued: 03/03/1998
  • Est. Priority Date: 07/14/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. A coated cutting tool comprising:

  • a substrate; and

    a PVD coating applied directly onto the surface of the substrate, the PVD coating having an adherence as measured by the Rockwell A indentation adhesion load test of greater than or equal to 80 kg.

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