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. 23, 2010
Filed:
Jul. 25, 2007
Applicants:
Werner Hufenbach, Dresden, DE;
Albert Langkamp, Dresden, DE;
Peter Janschek, Duesseldorf, DE;
Inventors:
Assignee:
Leistritz Aktiengesellschaft, Nuremberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 37/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Die for high temperature forging of metal components, in particular intermetal components, including and upper an a lower die, characterized in that provided to each die part, at room temperature and with some clearance, is a surrounding reinforcing ring against which each die part is positioned when heated due to its thermal expansion and via which a compressive stress is exerted onto each die part ().