发明授权
US4534140A Annular slab for closing the vessel of a fast neutron nuclear reactor
失效
用于封闭快中子核反应堆容器的环形板
- 专利标题: Annular slab for closing the vessel of a fast neutron nuclear reactor
- 专利标题(中): 用于封闭快中子核反应堆容器的环形板
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申请号: US472814申请日: 1983-03-07
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公开(公告)号: US4534140A公开(公告)日: 1985-08-13
- 发明人: Claude Malaval
- 申请人: Claude Malaval
- 申请人地址: FRX Le Plessis Robinson
- 专利权人: Novatome
- 当前专利权人: Novatome
- 当前专利权人地址: FRX Le Plessis Robinson
- 优先权: FRX8206125 19820408
- 主分类号: G21C1/03
- IPC分类号: G21C1/03 ; G21C13/073 ; G21C13/093 ; E04H7/20
摘要:
Annular slab for closing the vessel of a fast nuclear reactor, comprising at least one downwardly divergent frusto-conical sleeve coaxial with the inner and outer sleeves delimiting the slab, dividing the slab envelope into upper and lower parts respectively filled with concrete incorporating metal reinforcements and with concrete for radiation protection.
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