| 发明名称 |
Device and method for repairing inside of reactor pressure vessel |
| 摘要 |
An opening portion 3 is produced by cutting a recirculating piping 72 connected to a recirculating nozzle 2 of a reactor pressure vessel 1. A repairing device is brought into an annulus 10 of the reactor pressure vessel 1 from the opening 3, thereby repairing the annulus 10.
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| 申请公布号 |
US2002064250(A1) |
申请公布日期 |
2002.05.30 |
| 申请号 |
US20010951898 |
申请日期 |
2001.09.14 |
| 申请人 |
KUROSAWA KOUICHI;MAHARA YOUICHI;NAGASHIMA TOSHIHARU;NITTA KAZUHIRO;GO SHINJI;SUZUKI YOSHITOSHI;HIRANO KATSUHIKO |
发明人 |
KUROSAWA KOUICHI;MAHARA YOUICHI;NAGASHIMA TOSHIHARU;NITTA KAZUHIRO;GO SHINJI;SUZUKI YOSHITOSHI;HIRANO KATSUHIKO |
| 分类号 |
G21C19/02;G21C17/007;(IPC1-7):G21C19/00 |
主分类号 |
G21C19/02 |
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