Patent · US Active

Cutting tool with unequal flute spacing

US8734068B2 · kind B2 · utility

4Cited by

23References

7Claims

0Family size

Assignee

KENNAMETAL INC. · US

Inventors

Tilo Krieg · Bad Mergentheim, DE
Christoph Gey · Zirndorf, DE
Stephen M. George · Statesboro, US

Key dates

Filing date	Aug 9, 2010
Grant date	May 27, 2014
Priority date	—
Expiry date	Dec 11, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T408/9097
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A cutting tool having a shaft with a longitudinal axis, wherein the cutting tool includes a first flute extending about the longitudinal shaft along a helix angle and a first cutting edge adjacent the first flute. The cutting tool also includes a second flute extending about the longitudinal shaft along a helix angle and a second cutting edge adjacent a second flute. The cutting tool further includes a third flute extending about the longitudinal shaft along a helix angle and a third cutting edge adjacent the third flute. The first cutting edge, the second cutting edge, and the third cutting edge are unequally angularly spaced from each other.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.