Title:
圧延曲げ加工方法及び圧延曲げ加工装置
Document Type and Number:
Japanese Patent JP6838466
Kind Code:
B2
Abstract:
A steel strip is fed and compressed between a driving roller and a compression roller to generate a stress greater than a yield stress in the steel strip and to elongate one periphery portion of the steel strip, which is on one side, more than the other periphery portion of the steel strip, which is on the other side, in a sending direction. The compression roller includes a first contact portion and a second contact portion. The second contact portion extends from an end of the first contact portion in the axial direction of the compression roller. The end of the first contact portion has an outer diameter less than an outer diameter of the second contact portion.
Inventors:
Chiaki Sasaki
Kenta Tateyama
Otsubo Hidemasa
Kengo Takeshita
Kenta Tateyama
Otsubo Hidemasa
Kengo Takeshita
Application Number:
JP2017073669A
Publication Date:
March 03, 2021
Filing Date:
April 03, 2017
Export Citation:
Assignee:
株式会社デンソー
International Classes:
B21D11/20; B21B1/22; B30B3/00; H02K1/18; H02K15/02
Domestic Patent References:
| JP2084217A | ||||
| JP2017051098A | ||||
| JP2006217692A | ||||
| JP62212025A | ||||
| JP7002814Y1 |
Foreign References:
| GB508267A |
Attorney, Agent or Firm:
Masaki Hattori