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. 18, 2005
Filed:
May. 16, 2001
Applicants:
Walter Viegener, Attendorn, DE;
Jürgen Nägeler, Korschenbroich, DE;
Walter Bauer, Simmozheim, DE;
Inventors:
Assignee:
Witzig & Frank GmbH, Offenburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 4102 ;
U.S. Cl.
CPC ...
Abstract
Special steel press fittings are produced in two process steps, which can be performed simultaneously, or also one after the other. The cut to size blank is widened in a die is upset in order to form the desired pipe connection areas.