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. 30, 2012
Filed:
Jan. 14, 2009
Applicants:
Ludwig Wieres, Overath, DE;
Jan Hodgson, Troisdorf, DE;
Ferdi Kurth, Mechernich, DE;
Michael Voit, Leverkusen, DE;
Inventors:
Ludwig Wieres, Overath, DE;
Jan Hodgson, Troisdorf, DE;
Ferdi Kurth, Mechernich, DE;
Michael Voit, Leverkusen, DE;
Assignee:
EMITEC Gesellschaft fuer Emissionstechnologie mbH, Lohmar, DE;
Primary Examiner:
Int. Cl.
CPC ...
B21D 51/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for generating openings in a metal foil includes at least the following steps: a) providing a planar metal foil, b) generating bends defining extrema in the metal foil, and c) generating at least one opening in the vicinity of the bends through the use of a cutting production process forming chips including simultaneously cutting a plurality of adjacent extrema of the metal foil by using grinding tools.