プレス矯正装置、プレス矯正方法及び鋼矢板の製造方法

Japanese Patent JP7192832

B2

To prevent occurrence of local detent of a flange when correcting bending of a steel sheet pile, which has a web and a pair of flanges, in a longitudinal direction.SOLUTION: A press correction device 2, which corrects bending of a steel sheet pile 1, which has a cross-sectional shape orthogonal to a longer direction, and has a web extending in one direction and a pair of flanges, in one direction, comprises: reception metal molds 3A, 3B which contact an exterior surface of one flange, and are fixed so as not to move in one direction, and are paired in the longer direction of the steel sheet pile 1; a push metal mold 4 which is located between the reception metal molds 3A, 3B, and presses an exterior surface of the other flange of the steel sheet pile 1 to one flange side; first holding metal molds 5A, 5B which are respectively located at positions in a longer direction overlapping with the reception metal molds 3A, 3B, and contact interior surfaces of both of one and the other flanges; and a second holding metal mold 5C which is located at a position in a longer direction overlapping with the push metal mold 4, and contacts the interior surfaces of both of one flange 12 and the other flange 12.SELECTED DRAWING: Figure 1

Kazunori Sugita
Rinya Komaki
Ohara Ichiro
Koji Ono
Naoki Sakai

JP2020110468A

December 20, 2022

June 26, 2020

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jfe Steel Corporation

B21D3/10; B21D47/01

JP9182916A
JP57001520A
JP2007054838A
JP52072542U

DE2360228A1

田中 秀▲てつ▼
Hirose Hajime
Miyasaka Tohru
Tetsuya Mori

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