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US 6,213,692 B1Granted
Cutting tool
AssigneesVilab AG, Joerg Guehring
InventorsJoerg Guehring, Tibor Cselle, Johann Rechberger
Life of this patent
Estimating the term…
Abstract
A cutting tool, especially a drill, milling cutter, screw tap, reamer and core drill, comprising a shaft and a cutting member on which at least one cutting edge is provided for machining a workpiece, the cutting member being provided with a slide layer which has a lower hardness than a base layer of the cutting member.
Claims37
A cutting tool, comprising:
- a cutting member including,
- a base body defining at least one open face and at least one flute intersecting to form at least one cutting edge configured to splinter material off a workpiece,
- said open face and said flute including plural adjacent groove-shaped recesses;
- forming a continuous undulating cross section at said cutting edge, and
- a slide layer formed on at least a portion of said base body and having a lower hardness than said base body.
2 more elements
A cutting tool, comprising:
- a cutting member, including
- a base body defining at least one open face and at least one flute intersecting at least one cutting edge configured to splinter material off a workpiece,
- said open face and said flute including plural adjacent groove-shaped recesses forming a continuous undulating cross section at said cutting edge,
- a base layer formed on at least a portion of said base body, and
- a slide layer formed on at least on at least a portion of at least one of said base layer and said base body, said slide layer having a lower hardness than said base layer and said base body.
2 more elements
Dependencies are inferred from the claim text.