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:
May. 20, 2003
Filed:
May. 03, 2001
Applicant:
Inventors:
Eiki Nagashima, Chiba, JP;
Toshitsugu Fukai, Ichihara, JP;
Assignee:
Toyo Engineering Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K 3/102 ; B23K 3/538 ;
U.S. Cl.
CPC ...
B23K 3/102 ; B23K 3/538 ;
Abstract
Stainless steels are welded using a shielding gas including 88 to 98.9 mole % Ar, 1 to 10 mole % H , and 0.1 to 2.0 mole % CO . The shielding gas permits low sulfur, high chromium, austenitic stainless steel pipes to be joined with welds having sufficient penetration, strength, corrosion resistance and durability for practical use.
Nagashima, Eiki. (2003). Method of welding high chromium austenitic stainless steel pipe and shielding gas mixture for welding (U.S. Patent No. 6564990). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6564990
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile