Metal working – Means to assemble or disassemble – Nuclear device
Patent
1984-10-05
1988-02-16
Goldberg, Howard N.
Metal working
Means to assemble or disassemble
Nuclear device
2940208, 376271, 376272, B23P 1904
Patent
active
047246073
ABSTRACT:
The apparatus is intended for rebuilding an assembly comprising a skeleton formed by two end members connected by tie rods attached to the end members and grids distributed between the end members along the tie rods and adapted to retain a cluster of fuel rods trapped between the end members. The apparatus comprises a first chamber (AI) for receiving a fuel assembly, a second chamber (AS) for receiving a new skeleton, a repair station comprising a lift adapted to receive the two vertically disposed aligned chambers and to bring the chambers to a level such that there subsists a layer of protective water above the rods, a transfer tool (106) to draw one fuel rod at a time into the skeleton from the assembly contained in the first chamber, and means for mounting the end members on the skeleton.
REFERENCES:
patent: 2949202 (1960-08-01), Treshow
patent: 3039949 (1962-06-01), Newton et al.
patent: 3044947 (1962-07-01), Payne, Jr.
patent: 4175318 (1979-11-01), Matsuura et al.
patent: 4311557 (1982-01-01), Kowalski et al.
patent: 4446098 (1984-05-01), Pomaibo et al.
patent: 4474398 (1984-10-01), Tolino et al.
patent: 4547117 (1985-10-01), Shields et al.
"Repairing Fuel for Reinsertion", Jul. 1985.
Amier Pierre
Beuneche Daniel
Fragema
Goldberg Howard N.
Gorski Joseph M.
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