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:
Oct. 03, 2006
Filed:
Oct. 11, 2001
Applicants:
Anders Sundgren, Sunderbyn, SE;
Göran Berglund, Gammelstad, SE;
Mats Lindberg, Luleå, SE;
Inventors:
Assignee:
Accra Teknik AB, Ojebyn, SE;
Primary Examiner:
Int. Cl.
CPC ...
C21D 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a method of manufacturing articles () in hardenable metal materials, a shaped workpiece () with closed cross-section is hardened. The hardened workpiece () is separated into at least two parts, where each part constitutes one shaped open cross-section. The invention also concerns a manufacturing process and a production line for the manufacture of articles () in hardenable metal materials.