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:
May. 12, 2015
Filed:
Dec. 13, 2012
Applicants:
Andrea Massa, Berlin, DE;
Rolf Wilkenhöner, Kleinmachnow, DE;
Adrian Wollnik, Berlin, DE;
Inventors:
Assignee:
Siemens Aktiengesellschaft, München, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 26/388 (2014.01); B23K 26/38 (2014.01); B21D 53/78 (2006.01);
U.S. Cl.
CPC ...
B23K 26/388 (2013.01); B23K 26/381 (2013.01); B23K 26/38 (2013.01); B21D 53/78 (2013.01); B23K 2201/001 (2013.01);
Abstract
A process for reopening cooling-air holes by a laser in order to remove coat down is provided. A nanosecond laser is provided and used for reopening the holes, wherein pulse times between 1 μs and 20 μs and a pulse frequency between 20 kHz and 40 kHz provided by the nanosecond laser are used.