公开(公告)号：US10265744B2

公开(公告)日：2019-04-23

申请号：US15108551

申请日：2013-12-26

Applicant: POSCO

Inventor： Jea-Sook Chung ,  Il-Sin Bae ,  Young-Ju Ko ,  Kyeong-Mi Park ,  In-Jae Lee ,  Choong-Yun Lee ,  Suk-Cheol Song ,  Seong-Yeon Kim ,  Jong-Yeon Hwang ,  Sang-Hyeon Lee

IPC: B21B1/46 ,  B22D11/126 ,  B21B45/00 ,  B21B1/26 ,  B21B37/74

Abstract: A hot rolling device, according to one embodiment of the present invention, may comprise: a cast part supply portion for producing a cast part; a hot roller, linked to the cast part supply portion, for receiving and hot-rolling the cast part; and a heating unit, arranged between the cast part supply portion and the hot roller, for reheating an outer surface portion in the widthwise direction of the cast part while latent heat is maintained in the center portion of the widthwise direction of the cast part from preheating.

公开(公告)号：US10286432B2

公开(公告)日：2019-05-14

申请号：US15107904

申请日：2014-11-12

Applicant: POSCO

Inventor： Jea-Sook Chung ,  Il-Sin Bae ,  Suk-Cheol Song ,  Young-Ju Ko ,  Kyeong-Mi Park ,  Jong-Hwan Lee

IPC: B21B1/46 ,  B21B1/26 ,  B22D11/12 ,  B21B45/00 ,  B22D11/126

Abstract: A continuous casting and rolling apparatus according to one embodiment of the present invention comprises: a continuous casting apparatus for producing a steel sheet; a roller, linked to the continuous casting apparatus, for receiving the steel sheet; and a push heat unit, connected to the continuous casting apparatus and/or the roller, for selectively carrying outing heating work or removal work with respect to a portion of the steel sheet. Also, a continuous casting and rolling method according to another embodiment of the present invention may comprise: a continuous casting step for producing a steel sheet; and a selective performance step for selectively carrying out heating work or removal work with respect to a portion of the steel sheet.