Patent · US Active

Drill production method

US8777527B2 · kind B2 · utility

3Cited by

3References

7Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Arno Glaser · Schaanwald, LI
Steven Moseley · Bludenz, AT
Michael Bischof · Kirchheim unter Teck, DE

Key dates

Filing date	Jul 20, 2010
Grant date	Jul 15, 2014
Priority date	—
Expiry date	May 4, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T408/78
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A drill having a drill head (11) made of hard metal and a shaft (12) or a coupling piece (16) made of a sintered iron alloy. The hard metal is joined in the form of a material connection to the sintered iron alloy by a sintering process.

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