Patent · US Expired

Internal broach for the internal broaching of profiles

US5865569A · kind A · utility

17Cited by

6References

5Claims

0Family size

Assignee

Oswald Forst Maschinenfabrik und Apparatebauanstalt GmbH & Co Kommanditgesellschaft · DE

Inventors

Herbert Holstein · Solingen, DE
Reinhard Melcher · Solingen, DE

Key dates

Filing date	Nov 5, 1996
Grant date	Feb 2, 1999
Priority date	—
Expiry date	Nov 5, 2016

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T407/1685
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

An internal broach for the broaching of profiles defined by a bottom and flanks, in particular of internal toothings, in a workpiece is provided with broach cutting teeth which have bottom-cutting edges and flank-cutting edges. Over their full profile height, the flank-cutting edges of broach cutting teeth disposed one after the other and allocated to each other have an ascending profile in the range of 1 .mu.m to 3 .mu.m.

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