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:
Jul. 26, 2016
Filed:
Jun. 17, 2014
Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;
NIPPON STEEL & SUMITOMO METAL CORPORATION, Tokyo, JP;
Abstract
A primary object of the present invention is to provide a method for continuous casting with which slabs for heavy gauge steel plate in which porosities are decreased can be manufactured. In the present invention, when a slab for heavy gauge steel plate is continuously cast, two pairs of reduction rolls that are arranged separately from each other with a roll-interval in a range from 3 m to 7 m, between which a support roll is arranged, are used, reduction is carried out on the slab by 3 to 15 mm with the reduction rolls at the first stage under the condition where the slab includes an unsolidified portion with the solid-phase ratio in a range from 0.8 to less than 1, and reduction is further carried out on the slab with the reduction rolls at the second stage under the condition where the slab is completely solidified.