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:
Jun. 15, 2010
Filed:
Dec. 02, 2009
Michael E. Graham, Evanston, IL (US);
Richard A. Hoffman, Export, PA (US);
Margaret Anna Hoffman, Legal Representative, Allison Park, PA (US);
Brian E. Cheadle, Brampton, CA;
Kostas F. Dockus, Cicero, IL (US);
Stefanija Kisielius, Legal Representative, Cicero, IL (US);
Robert H. Krueger, Spring Grove, IL (US);
Michael E. Graham, Evanston, IL (US);
Richard A. Hoffman, Export, PA (US);
Margaret Anna Hoffman, legal representative, Allison Park, PA (US);
Brian E. Cheadle, Brampton, CA;
Kostas F. Dockus, Cicero, IL (US);
Stefanija Kisielius, legal representative, Cicero, IL (US);
Robert H. Krueger, Spring Grove, IL (US);
Dana Canada Corporation, Oakville, CA;
Abstract
A brazing product for fluxless brazing comprises a substrate and a filler metal-forming composition applied to the substrate. The substrate preferably comprises aluminum, an aluminum alloy or another metal and may include at least one layer of a ceramic, carbide or nitride. The filler metal-forming composition comprises a liquid-forming layer comprising silicon and a braze-promoting layer comprising one or more metals selected from the group comprising nickel, cobalt, palladium and iron. The liquid-forming layer comprises one or more material layers. Where the liquid-forming layer comprises a plurality of layers, it may include at least one layer consisting essentially of silicon.