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:
Aug. 21, 1990
Filed:
Dec. 13, 1988
Kenji Saito, Chiba, JP;
Tsutomu Nozaki, Chiba, JP;
Yukio Oguchi, Ako, JP;
Kenichi Sorimachi, Kurashiki, JP;
Hakaru Nakato, Chiba, JP;
Haruji Okuda, Kurashiki, JP;
Koji Hosotani, Chiba, JP;
Katsuo Kinoshita, Tokyo, JP;
Kenji Murata, Chiba, JP;
Kawasaki Steel Corporation, Kobe City, JP;
Abstract
In an immersion nozzle for continuous casting, at least one portion of reduced a sectional area of passage for molten metal is formed near to the bottom of the nozzle and plural discharge ports symmetrically arranged with respect to the axis of the nozzle are arranged above and below the reduced sectional area portion in the longitudinal direction of the nozzle. Further, molten metal is continuously cast by using the above immersion nozzle together with a static magnetic field.