Patent · US Expired

All-ceramic drill bit

US5641251A · kind A · utility

100Cited by

4References

10Claims

0Family size

Assignee

Cerasiv GmbH Innovatives Keramik-Engineering · DE

Inventors

August Leins · Neckargemünd, DE
Rolf Muller · St. Georgen, DE

Key dates

Filing date	Jun 6, 1995
Grant date	Jun 24, 1997
Priority date	—
Expiry date	Jun 6, 2015

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T408/9095
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

Disclosed is an all-ceramic drill bit which combines the positive properties of ceramic with a tool geometry adapted to the special features of the material. The drill bit is formed with a groove for the shavings which extends in the axial direction linearly along a surface line.

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