发明名称 Protecting guide tubes in PWR fuel assembly during pin replacement
摘要 After the fuel assembly end cap has been removed, a holding plate (5), with openings (49) arranged to match the guide tubes, is positioned over the ends of the guide tubes. Protective end pieces (48) are then placed inside the ends of the guide tubes (15) and the holding plate (50) then removed. After work on the fuel pins, the assembly end cap is replaced, the protective end pieces (48) are removed and the assembly end cap is fixed using blockage sleeves.
申请公布号 FR2722323(A1) 申请公布日期 1996.01.12
申请号 FR19940008428 申请日期 1994.07.07
申请人 FRAMATOME 发明人 AMIET PIERRE;ROILLET SERGE
分类号 G21C3/334;(IPC1-7):G21C3/334;G21C3/335;G21C1/08 主分类号 G21C3/334
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