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Legal status
Patent not validated
| (51) | INT.CL. | B21D 5/01 | (2006.01) |
| B21D 19/08 | (2013.01) | ||
| B21C 37/08 | (2006.01) | ||
| B21D 5/015 | (2013.01) | ||
| B21D 19/08 | (2006.01) | ||
| B21D 43/09 | (2013.01) | ||
| B21D 43/09 | (2006.01) | ||
| B21C 37/0815 | (2013.01) | ||
| B21C 37/0826 | (2013.01) |
| (11) | Number of the document | 3778051 |
| (13) | Kind of document | T |
| (96) | European patent application number | 19777355.9 |
| Date of filing the European patent application | 2019-03-04 | |
| (97) | Date of publication of the European application | 2021-02-17 |
| (45) | Date of publication and mention of the grant of the patent | 2024-04-17 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/JP2019/008298 |
| Date | 2019-03-04 |
| (87) | Number | WO 2019/188002 |
| Date | 2019-10-03 |
| (30) | Number | Date | Country code |
| 2018068204 | 2018-03-30 | JP |
| (72) |
HORIE, Masayuki , JP
MIWA, Toshihiro , JP
TOKUHARA, Tetsuya , JP
HIRAKI, Hidenori , JP
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| (73) |
JFE Steel Corporation ,
2-3, Uchisaiwai-cho 2-chome
Chiyoda-ku, Tokyo 100-0011,
JP
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| (54) | EDGE BENDING METHOD AND APPARATUS OF STEEL PLATE, AND METHOD AND FACILITY FOR MANUFACTURING STEEL PIPE |
| EDGE BENDING METHOD AND APPARATUS OF STEEL PLATE, AND METHOD AND FACILITY FOR MANUFACTURING STEEL PIPE |