Patent · US Expired

Apparatus for straightening pipe

US7159435B2 · kind B2 · utility

1Cited by

7References

19Claims

0Family size

Assignee

SMS MEER GMBH · DE

Inventors

Uwe Feldmann · Nassenfels, DE
Manfred Kolbe · Rheydt, DE
Arno Toputh · Mönchengladbach, DE
Hans-Jürgen Fischer · Bad Hersfeld, DE

Key dates

Filing date	Nov 19, 2004
Grant date	Jan 9, 2007
Priority date	—
Expiry date	Jan 28, 2025

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB21D3/00
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A straightening apparatus for large diameter thick wall pipe has an expander head at one end of a beam inserted into the pipe and having a radially displaceable saddle positionable at any selected location along the beam. The saddle may be shifted along the beam by a linear actuator and the saddle applies a radial force to the inner wall of the pipe in a bending operation.

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