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:
Jul. 01, 2003
Filed:
Jun. 22, 2001
Applicant:
Inventors:
Jean-Marie Fortain, Osny, FR;
Philippe Lefebvre, Saint Ouen l'Aumone, FR;
Jean-Yves Mouton, Cergy Pontoise, FR;
Gerard Plottier, Pierrefitte, FR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 9/173 ;
U.S. Cl.
CPC ...
B23K 9/173 ;
Abstract
For MIG welding, either in a spray mode without current modulation or in a pulsed mode, of aluminum and aluminum alloys, with the use of a gas shield for at least part of the welding zone, the gas shield is a gas mixture consisting, by volume, of from 0.01% to 1.80% oxygen and from 15% to 98.2% helium, and any balance being argon.