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:
Apr. 08, 1997
Filed:
Jul. 13, 1993
Applicant:
Inventors:
Setuo Matubara, Aichi, JP;
Masaru Kanaoka, Aichi, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21912163 ; 21912164 ; 252372 ;
Abstract
A laser welding method which provides improved welding quality, allowing excellent products to be produced. The mixture of inactive gas or nitrogen gas and 5% to 35% of oxygen gas in terms of volume ratio and that of inactive gas or nitrogen gas and not less than 25% of dried air in terms of volume ratio are employed as an assist gas in the lap and butt weldings and filler wire-inserted welding of metal materials filmed with low melting point substance.
Matubara, Setuo. (1997). Method and apparatus for laser welding with an assist gas including (U.S. Patent No. 5618452). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5618452
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile