发明授权
- 专利标题: UOE steel pipe and structure
- 专利标题(中): UOE钢管和结构
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申请号: US14389941申请日: 2013-04-02
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公开(公告)号: US09205475B2公开(公告)日: 2015-12-08
- 发明人: Hisakazu Tajika , Takahiro Sakimoto , Satoshi Igi
- 申请人: JFE Steel Corporation
- 申请人地址: JP
- 专利权人: JFE Steel Corporation
- 当前专利权人: JFE Steel Corporation
- 当前专利权人地址: JP
- 代理机构: DLA Piper LLP (US)
- 优先权: JP2012-083904 20120402; JP2012-083907 20120402
- 国际申请: PCT/JP2013/060108 WO 20130402
- 国际公布: WO2013/151056 WO 20131010
- 主分类号: F16L11/00
- IPC分类号: F16L11/00 ; B21C37/16 ; B21C37/08 ; B21C37/30 ; B23K31/02 ; B23K11/093 ; B21D5/01
摘要:
A UOE steel pipe used to form a structure by performing butt circumferential welding and having an outside diameter shape in a waveform in a longitudinal direction is shaped to have no local minimum of the outside diameter shape in the waveform within a predetermined length from both longitudinal end portions.
公开/授权文献
- US20150090361A1 UOE STEEL PIPE AND STRUCTURE 公开/授权日:2015-04-02
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