The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 09, 2007
Filed:
Nov. 19, 2004
Applicants:
Uwe Feldmann, Rommerskirchen, DE;
Manfred Kolbe, Mönchengladbach, DE;
Arno Topüth, Mönchengladbach, DE;
Hans-jürgen Fischer, Mühlheim, DE;
Inventors:
Uwe Feldmann, Rommerskirchen, DE;
Manfred Kolbe, Mönchengladbach, DE;
Arno Topüth, Mönchengladbach, DE;
Hans-Jürgen Fischer, Mühlheim, DE;
Assignee:
SMS Meer GmbH, Monchengladbach, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 41/02 (2006.01);
U.S. Cl.
CPC ...
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.