Wear resistant tools

  • US 5,580,196 A
  • Filed: 04/28/1993
  • Issued: 12/03/1996
  • Est. Priority Date: 08/08/1991
  • Status: Expired due to Term
First Claim
Patent Images

1. A machining tool comprising an elongated tool body having a top machining surface, side machining surfaces, and a bottom surface, said top machining surface and a portion of said side machining surfaces depending downwardly therefrom formed with machining faces and wherein at least said top machining surface and a portion of said downwardly depending surfaces adjacent thereto are coated with a layer of PCD or PCBN of substantially uniform axial thickness prior to said machining faces being formed therein.

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