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:
Feb. 14, 2012
Filed:
Sep. 18, 2006
Applicants:
Jacques Corquillet, Istres, FR;
Jacques Devroc, Arles, FR;
Jean-louis Hochard, Hayange, FR;
Jean-pierre Laurent, Istres, FR;
Antoine Moulin, Woippy, FR;
Nathalie Romanowski, Rurange les Thionville, FR;
Inventors:
Jacques Corquillet, Istres, FR;
Jacques Devroc, Arles, FR;
Jean-Louis Hochard, Hayange, FR;
Jean-Pierre Laurent, Istres, FR;
Antoine Moulin, Woippy, FR;
Nathalie Romanowski, Rurange les Thionville, FR;
Assignee:
Arcelormittal France, Saint Denis, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21D 1/18 (2006.01); C21D 1/673 (2006.01); B21D 22/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
The subject of the invention is a process for manufacturing a part made of steel having a multiphase microstructure, said microstructure comprising ferrite and being homogeneous in each of the regions of said part, which process comprises the steps consisting in: