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US 7,017,465 B2Granted
Cutting tool with grooved cutting edge
AssigneeThe L.S. Starrett Company
InventorsPaul Armand Dion, John Thomas Caron
Life of this patent
Estimating the term…
Abstract
A cutting tool includes a base made of metal having a plurality to cutting teeth along an edge of the base, wherein at least one cutting tooth has at least one notch in the cutting edge of the at least one cutting tooth. A tool is prepared by introducing a notch running longitudinally along the length of the tool in the cutting edge of the cutting teeth.
Claims14
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, and
- wherein the first erodible metal is selected to preferentially erode at the cutting edge during use.
Dependencies are inferred from the claim text.