Patent · US Active

Tool for roughening a borehole surface

US10589361B2 · kind B2 · utility

0Cited by

7References

20Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Hans Peter Lederle · Durach, DE
Michael Wiedemann · Dresden, DE
Peter Ostermeier · Dießen, DE

Key dates

Filing date	Sep 20, 2016
Grant date	Mar 17, 2020
Priority date	—
Expiry date	Sep 20, 2036

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB23B2270/62
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A tool for roughening a borehole surface. The tool includes a coupling portion for clamping the tool; a tool head for machining the borehole surface; and an extraction duct. The coupling portion is disposed at a first end of a tool shank and the tool head at an opposite, second end of the tool shank. The tool head has a cutter disposed circumferentially on the tool heat The tool head has a slit, which passes through from one side to the other and which, starting from an end face of the tool head, extends axially along a longitudinal axis of the tool. The extraction duct extends at least partly axially along the longitudinal axis of the tool for extraction of drilling dust. The extraction duct, starting from the end face of the tool head, extends inside the tool shank and discharges circumferentially into a connecting opening in the tool shank.

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