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. 25, 2004
Filed:
Aug. 14, 2002
Applicant:
Inventors:
Assignee:
Outokumpu Oyj, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 2/0227 ;
U.S. Cl.
CPC ...
B23K 2/0227 ;
Abstract
A method for making a joint between copper or copper alloys and austenitic steel alloys, in which method in between the junction surfaces of the objects to be joined together, there is arranged at least one intermediate layer, so that the junction surfaces, including their intermediate layers, are pressed together, and at least the junction area is heated in order to create a diffusion joint. In the method, there is brought a first intermediate layer ( ) on the junction surface of the steel object ( ) or against said surface, in order to activate the creation of the diffusion joint.