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:
Aug. 03, 2004
Filed:
Jun. 09, 2003
Applicant:
Inventors:
Francis Briand, Paris, FR;
Karim Chouf, Epinay s/seine, FR;
Philippe Lefebvre, Saint Ouen l'Aumône, FR;
Eric Verna, Boissy l'Aillerie, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 2/620 ;
U.S. Cl.
CPC ...
B23K 2/620 ;
Abstract
Binary gas mixture for welding using a laser beam of up to 8 kW, consisting of 60% to 80% nitrogen by volume, the remainder (up to 100%) being helium. Application of this gas mixture to the welding of steel, stainless steel or titanium.