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:
Jun. 29, 2010
Filed:
Aug. 07, 2008
Applicants:
Dietmar Schlayer, Vogt, DE;
Hans-joachim Pieperhoff, Wiesbaden, DE;
Frank Beig, Bodnegg, DE;
Norbert Ziesel, Waldburg, DE;
Inventors:
Dietmar Schlayer, Vogt, DE;
Hans-Joachim Pieperhoff, Wiesbaden, DE;
Frank Beig, Bodnegg, DE;
Norbert Ziesel, Waldburg, DE;
Assignee:
Mueller Weingarten AG, Weingarten, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 22/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method and a tool for producing cylindrical workpieces having longitudinal grooves, wherein the actual rolling operation is preceded by a drawing stage integrated in the tool and wherein the forming rollers are realized with an improved mounting.