Patent · US Expired

Thread rolling head

US5870918A · kind A · utility

5Cited by

5References

5Claims

0Family size

Inventors

Uwe Schunk · Wulfen, DE
Gerd Nowak · Schwarzenbek, DE

Key dates

Filing date	Apr 9, 1997
Grant date	Feb 16, 1999
Priority date	—
Expiry date	Apr 9, 2017

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB21H3/046
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A thread rolling head with at least two profile rollers provided with a forming thread that are rotatably supported in a supporting unit and a feed motion device that will cause the profile roller to clamp and release a cylindrical work piece, wherein each of the profile rollers constitutes a single piece with its mounting bolts, which make it possible for the profile rollers to be rotatably supported in a supporting unit at one end only.

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