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:
Nov. 02, 1982
Filed:
Sep. 11, 1980
Applicant:
Inventors:
Erwin Bock, Aachen, DE;
Walter Wetzels, Aachen, DE;
Assignee:
Schumag GmbH, Aachen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ; B21D / ; B21F / ; B21B / ;
U.S. Cl.
CPC ...
72 98 ; 72 99 ;
Abstract
Method for straightening elongated drawn round stock, which includes simultaneously advancing the stock in the longitudinal direction, rotating the stock about the longitudinal axis thereof and deflecting the stock from a straight line exceeding the yield point thereof in a straightening arc, and subjecting the surface of the stock to friction forces acting in the longitudinal direction during the deflection.