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. 13, 2007
Filed:
Dec. 20, 2002
Applicants:
Ernst Miklos, Tutzing, DE;
Friedrich Tischler, Lambach, AT;
Inventors:
Ernst Miklos, Tutzing, DE;
Friedrich Tischler, Lambach, AT;
Assignee:
Linde Aktiengesellschaft, Wiesbaden, DE;
Primary Examiner:
Int. Cl.
CPC ...
B23K 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In joining heterogeneous materials that differ in their melting points, a shielding gas mixture with active gas content is utilized. In particular, the shielding gas mixture contains helium and active gasses in the vpm range (0.005 to 0.5% by volume). These shielding gases to lead to the production of high quality joints when joining aluminum and steel.