Patent · US Active

Drill with grooved flute and method of making drill with grooved flute

US11358229B2 · kind B2 · utility

0Cited by

4References

14Claims

0Family size

Assignee

Seco Tools AB · SE

Inventors

Lars B. Nilsson · Ängelholm, SE
Christian Ahlstrom · Torshälla, SE
Michael Svensson · Vallentuna, SE

Key dates

Filing date	Apr 20, 2017
Grant date	Jun 14, 2022
Priority date	—
Expiry date	Apr 20, 2037

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB23B2251/408
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A drill includes a drill body having a longitudinal axis, a front end, and a frontend portion and at least one flute in the front end portion. A cutting insert is mounted to the drill body in each flute of the at least one flute at the front end of the drill body. The at least one flute includes a plurality of grooves, concave surfaces of adjacent ones of the grooves intersecting to define a ridge separating the grooves.

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