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. 20, 1984
Filed:
Mar. 14, 1983
Applicant:
Inventors:
Junji Tateishi, Chiba, JP;
Takeharu Ishikawa, Ichihara, JP;
Shozaburo Nakano, Mobara, JP;
Noboru Nishiyama, Ichihara, JP;
Assignee:
Kawasaki Steel Corporation, Kobe, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
148 26 ;
Abstract
A flux composition suitable for electro-slag over-lay welding a stainless steel on a circumferential inner surface of a cylindrical vessel with a strip electrode under controlling a flow of molten slag and metal with an outer electro-magnetic field, which contains 50-60% by weight of CaF.sub.2, 10-20% by weight of SiO.sub.2, 5-25% by weight of CaO and 10-30% by weight of Al.sub.2 O.sub.3 in a ratio of SiO.sub.2 /CaF.sub.2 of at least 0.20 and a ratio of CaO/SiO.sub.2 of at least 0.50.