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:
Oct. 18, 2022
Filed:
Apr. 12, 2019
Applicant:
Jfe Steel Corporation, Tokyo, JP;
Inventors:
Norichika Aramaki, Tokyo, JP;
Keigo Toishi, Tokyo, JP;
Tomoya Odagaki, Tokyo, JP;
Keisuke Sano, Tokyo, JP;
Shizuhiko Ikeno, Tokyo, JP;
Assignee:
JFE Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D 11/12 (2006.01); B22D 11/128 (2006.01); B21B 1/02 (2006.01);
U.S. Cl.
CPC ...
B22D 11/1206 (2013.01); B21B 1/02 (2013.01); B22D 11/1282 (2013.01); B21B 2001/028 (2013.01); B21B 2201/14 (2013.01);
Abstract
A continuous casting method of steel includes the step of bulging wide side surfaces of a slab having there inside an unsolidified layer with a total intentional bulging amount of 3 to 10 mm by increasing stepwise toward a downstream side in a casting direction a roller gap of a plurality of pairs of slab support rollers disposed in a continuous casting machine.