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:
Aug. 09, 2011
Filed:
Oct. 30, 2003
Applicants:
Horst Glatz, Neu-Ulm, DE;
Eberhard Lepin, Illertissen, DE;
Gerhard Schuez, Voehringen, DE;
Martin Straub, Illertissen, DE;
Inventors:
Horst Glatz, Neu-Ulm, DE;
Eberhard Lepin, Illertissen, DE;
Gerhard Schuez, Voehringen, DE;
Martin Straub, Illertissen, DE;
Assignee:
Wieland-Werke AG, Ulm, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 21/00 (2006.01); B23P 15/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for the manufacture of tubes bent in a U-shape (hairpin tubes) from a nonferrous metal, immediately following a tube production line. For that purpose, according to the invention, the method for the manufacture of tubes bent in a U-shape from a nonferrous metal, immediately following a tube production line, has the consecutive steps of: