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Cutting tool with grooved cutting edge

  • US 7,017,465 B2
  • Filed: 07/29/2002
  • Issued: 03/28/2006
  • Est. Priority Date: 07/29/2002
  • Status: Active Grant
First Claim
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1. A cutting tool, comprising:

  • a metal base having a plurality of machined cutting teeth along an edge of the base,wherein at least one cutting tooth is a composite cutting tooth comprised of a first erodible metal member flanked on opposing sides by second harder metal members, the first metal member tapering from a first wider width at a lower portion of the cutting tooth to a second narrower width at a cutting edge of the cutting tooth, andwherein the first erodible metal is selected to preferentially erode at the cutting edge during use.

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