Patent · US Expired

Drill with cooling-lubricant channel

US6045301A · kind A · utility

66Cited by

13References

9Claims

0Family size

Assignee

Kennametal Hertel AG Werkzeuge + Hartstoffe · DE

Inventors

Dirk Kammermeier · Koblenzer Straße, DE
Bernhard Borschert · Bamberg, DE

Key dates

Filing date	Jan 9, 1998
Grant date	Apr 4, 2000
Priority date	—
Expiry date	Jan 9, 2018

Classification

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

Abstract

A drill is disclosed with a least one central channel for cooling-lubricant oil feed. The drill has a shaft with at least one flute extending in a spiral around the shaft axis. The oil, fluid, and gas is fed to the point of application of the drill through lateral outlet apertures which are joined to the at least one oil channel by connecting channels.

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