Patent · US Expired

Drilling tool

US6116827A · kind A · utility

6Cited by

7References

12Claims

0Family size

Assignee

Hawera Probst GmbH · DE

Inventors

Bernhard Moser · Altshausen, DE
Mathias Fuss · Weingarten, DE

Key dates

Filing date	Sep 14, 1998
Grant date	Sep 12, 2000
Priority date	—
Expiry date	Sep 14, 2018

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T408/907
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A drilling tool, in particular for rotary percussion drilling preferably of rock, is proposed, with a drill body preferably equipped with cutting tips toward the drilling side and with an axially arranged bore for receiving an exchangeable center drill. In order to carry out easy mounting and demounting of the center drill, the drilling tool is designed in two parts, the center drill being capable of being introduced into the drilling tool on the clamping side.

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