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:
Mar. 24, 1992
Filed:
Nov. 28, 1990
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Kobe Seiko Sho, Kobe, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21914522 ; 21914631 ;
Abstract
A flux-cored wire for gas-shielded arc welding comprises a steel sheath and a flux composition filled in the steel sheath. The flux composition is present in an amount of 8 to 25 wt. %, based on the total amount of the steel sheath and the flux composition. The flux composition comprises, based on the total weight of the flux, 10 to 30% of TiO.sub.2, 0.1 to 0.6% of Na.sub.2 O is in the range of 20 to 100:1, 0.01 to 2.0% of a metal fluoride calculated as F, and 0.005 to 0.4% of moisture. Bi.sub.2 O.sub.3 may also be included in the composition.