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:
Jul. 13, 2021
Filed:
May. 30, 2018
Applicant:
Feintool International Holding Ag, Lyss, CH;
Inventors:
Assignee:
FEINTOOL INTERNATIONAL HOLDING AG, Lyss, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 28/16 (2006.01); B21D 28/26 (2006.01); B21D 19/00 (2006.01); B21D 53/28 (2006.01);
U.S. Cl.
CPC ...
B21D 28/26 (2013.01); B21D 19/005 (2013.01); B21D 28/16 (2013.01); B21D 53/28 (2013.01);
Abstract
A stamped or fine-blanked, workpiece is inserted in an embossing device, and the burr created on the workpiece during stamping or fine blanking is rounded by way of a die of the embossing device and the height of the rollover created during stamping or fine blanking is decreased using the same stroke of the embossing device by way of which the burr rounding is carried out.