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. 27, 2018
Filed:
Apr. 16, 2014
Applicant:
Abb Schweiz Ag, Baden, CH;
Inventors:
Gunnar Johansson, Västerås, SE;
David Karlén, Västerås, SE;
Erik Johansson, Västerås, SE;
Reinhard Simon, Baden, CH;
Assignee:
ABB Schweiz AG, Baden, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 15/01 (2006.01); H01H 1/0237 (2006.01);
U.S. Cl.
CPC ...
H01H 1/02374 (2013.01); H01H 1/02376 (2013.01);
Abstract
An electrical contact tip for switching applications. The contact tip includes a body having a first layer and a second layer. The first layer arranged on the second layer and adapted to come in contact with a corresponding contact tip during switching operations. The first and second layers consist of Ag-composites of one or more elements, compounds or alloys, where the hardness of the first layer is lower than the hardness of the second layer.