曲がりの矯正方法及び矯正装置

Title:

曲がりの矯正方法及び矯正装置

Document Type and Number:

Japanese Patent JP7088149

Kind Code:

B2

Abstract:

To provide a curve correcting method with which further excellent curve correcting capability can be acquired, and to provide a correcting device.SOLUTION: A curve correcting method for correcting a curve in a shaped steel having a web and a flange includes a step of rolling an inner flange that is a flange inside a curve and a fillet that is a boundary between the inner flange and a web.SELECTED DRAWING: Figure 1

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Inventors:

Yukio Takashima

Application Number:

JP2019158092A

Publication Date:

June 21, 2022

Filing Date:

August 30, 2019

Export Citation:

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Assignee:

jfe Steel Corporation

International Classes:

B21D3/05

Domestic Patent References:

JP2014208371A
JP2991066B2
JP3414128B2
JP57137028A
JP52017334U
JP9047817A
JP10109112A
JP3817762B2
JP4371320A
JP52016270Y2
JP57061488B2
JP53054520Y2
JP56046443B2
JP9108737A
JP6106244A
JP51139560A
JP2006181610A
JP8174050A
JP8197141A
JP2007167930A

Foreign References:

US5644939
US20100229362

Attorney, Agent or Firm:

田中秀▲てつ▼
Hirose Hajime
Miyasaka Tohru
Tetsuya Mori

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