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:
Feb. 11, 2025
Filed:
Nov. 08, 2019
Nippon Steel Corporation, Tokyo, JP;
Takuya Takayama, Tokyo, JP;
Hiroshi Harada, Tokyo, JP;
Kenji Yamada, Tokyo, JP;
Masashi Sakamoto, Tokyo, JP;
NIPPON STEEL CORPORATION, Tokyo, JP;
Abstract
Using an apparatus for manufacturing a thin steel sheet including the followings which are arranged in order: a continuous casting machine () for a thin slab having a slab thickness of 70 mm to 120 mm at a lower end of a mold; a holding furnace () that is configured to maintain a temperature of a cast slab () and/or heats the cast slab (); and a rolling stand () by which finish rolling is performed, the casting speed of the thin slab is set to 4 to 7 m/min, the slab () is reduced at a rolling reduction of 30% or more by the reduction roll () after solidification is completed and when a center temperature of the slab is 1300° C. or higher, and the slab () is held at a temperature of 1150° C. or higher and 1300° C. or lower for five minutes or longer in the holding furnace ().