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.:

US 7038163 B1

PDF
Full Text
Expired
Date of Patent:
May. 02, 2006

Filed:

Jun. 09, 2003
Applicants:

Francis Briand, Paris, FR;

Karim Chouf, Epinay s/seine, FR;

Philippe Lefebvre, Saint Ouen l'Aumône, FR;

Eric Verna, Boissy l'Aillerie, FR;

Inventors:

Francis Briand, Paris, FR;

Karim Chouf, Epinay s/seine, FR;

Philippe Lefebvre, Saint Ouen l'Aumône, FR;

Eric Verna, Boissy l'Aillerie, FR;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23K 26/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Binary gas mixture for welding using a laser beam of up to 12 kW, consisting of 30% to 60% nitrogen by volume, the remainder (up to 100%) being helium. Application of this gas mixture to the welding of steel, stainless steel or titanium.


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Briand, Francis. (2006). Use of helium/nitrogen gas mixtures in up to 12 kw laser welding (U.S. Patent No. 7038163). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7038163

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