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. 18, 2009
Filed:
Jan. 27, 2003
Applicants:
Yutaka Awajiya, Tokyo, JP;
Mikio Suzuki, Tokyo, JP;
Keiji Watanabe, Tokyo, JP;
Makoto Iiyama, Tokyo, JP;
Inventors:
Yutaka Awajiya, Tokyo, JP;
Mikio Suzuki, Tokyo, JP;
Keiji Watanabe, Tokyo, JP;
Makoto Iiyama, Tokyo, JP;
Assignee:
JFE Steel Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B22D 41/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An immersion nozzle for continuous casting of steel supplies molten steel into a mold. At least a part of the immersion nozzle is formed of a refractory having a desulfurizing ability. A method for continuous casting of steel employs the immersion nozzle to supply molten steel into a mold using the immersion nozzle for continuous casting.