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:
Mar. 05, 2019
Filed:
Aug. 10, 2015
Applicant:
Sfs Intec Holding Ag, Heerbrugg, CH;
Inventors:
Assignee:
SFS intec Holding AG, Heerbrugg, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B 35/00 (2006.01); F16B 33/06 (2006.01); F16B 25/00 (2006.01);
U.S. Cl.
CPC ...
F16B 33/06 (2013.01); F16B 25/0021 (2013.01);
Abstract
A self-drilling screw composed of an austenitic or some other non-corrosive base material () is provided, having a shank (), having a cutting or shaping drilling or threaded tip () arranged at one shank end and having a hard coating () applied at least to the drilling or threaded tip () by electrodeposition, this hard coating () having a layer containing a transition metal, for example a hard chromium layer. The shank () has a hard edge layer () at least under the hard coating (). A topcoat () composed of a lubricating and heat-dissipating material, which preferably is metal, wax and/or lacquer, is applied to the hard coating ().