Patent · US Active

Deep-hole drill having a plurality of chip-forming devices and recesses in the rake face

US11969804B2 · kind B2 · utility

0Cited by

10References

6Claims

0Family size

Assignee

botek Präzisionsbohrtechnik GmbH · DE

Inventors

Gotthold Schur · Riederich, DE
Jürgen Deeg · Metzingen, DE

Key dates

Filing date	Mar 21, 2019
Grant date	Apr 30, 2024
Priority date	—
Expiry date	Mar 21, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB23K26/362
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The invention relates to a single-lip drill and a double-lip drill having a plurality of chip-forming devices or depressions in the rake face which are arranged in succession and at a distance from one another. As soon as a cutting edge and/or the associated chip-forming device or the associated depression is worn, the deep hole drill according to the invention can be reground using simple means.

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