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:
Dec. 10, 2019
Filed:
Sep. 06, 2017
Applicant:
Schleifring Gmbh, Furstenfeldbruck, DE;
Inventor:
Christian Holzapfel, Fürstenfeldbruck, DE;
Assignee:
SCHLEIFRING GMBH, Fürstenfeldbruck, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01R 43/00 (2006.01); H01R 39/26 (2006.01); H01R 43/10 (2006.01); H01R 43/12 (2006.01); C25D 15/02 (2006.01); H01R 39/10 (2006.01); H01R 39/22 (2006.01); H01R 39/28 (2006.01);
U.S. Cl.
CPC ...
H01R 39/26 (2013.01); H01R 43/10 (2013.01); H01R 43/12 (2013.01); C25D 15/02 (2013.01); H01R 39/10 (2013.01); H01R 39/22 (2013.01); H01R 39/28 (2013.01); Y10T 29/49194 (2015.01);
Abstract
A method for making contact wires for sliprings comprising the steps of: coating and/or plating a wire with a first metal of the group of nickel, chrome or a combination thereof; coating and/or plating the wire with a second metal of the group of gold, silver, or a combination thereof; delivering laser radiation and generating an interference pattern of the laser radiation to the surface of the wire; heating the surface selectively as defined by the interference pattern, modifying of the crystal structure and/or providing protrusions and/or recesses due to melting and/or evaporation of the surface material.