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:
Apr. 11, 2006
Filed:
Feb. 07, 2002
Applicants:
Jean-claude Beauvois, Champigny sur Marne, FR;
Son Ha Giang, Sucy En Brie, FR;
Gilles Lebain, Villejuif, FR;
Etienne Werlen, Paris, FR;
Inventors:
Jean-Claude Beauvois, Champigny sur Marne, FR;
Son Ha Giang, Sucy En Brie, FR;
Gilles Lebain, Villejuif, FR;
Etienne Werlen, Paris, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B31F 1/20 (2006.01); B21D 13/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A folding-pressing operation is carried out on the strip () in successive steps, by means of two opposed dies () with a relative movement alternating between coming together and moving apart, these dies having active surfaces () which are substantially conjugate with the two faces of the corrugation.