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. 12, 1977
Filed:
Nov. 29, 1974
Applicant:
Inventors:
Naoki Okuda, Fujisawa, JA;
Kazuo Tanaka, Yokosuga, JA;
Assignee:
Kobe Steel Ltd., Kobe, JA;
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
148 24 ; 148 26 ;
Abstract
A flux for use in submerged arc welding of steel, is formed from 10 - 70% iron powder, 10 - 50% MgO, 3 - 25% CaO, 2 - 25% carbonate based on the CO.sub.2 content, 0.03 - 1.5% of a compound or mixture containing boron oxide, the weight being based on the B.sub.2 O.sub.3 content, less than 15% TiO.sub.2, and at least one deoxidizing metallic agent selected from the group consisting of Si, Mn, Al, Ti and alloys thereof.