Reconstituting a nuclear reactor fuel assembly

Details Reconstituting a nuclear reactor fuel assembly Reconstituting a nuclear reactor fuel assembly

1984-05-24

1987-02-10

Kyle, Deborah L.

Metal working

Method of mechanical manufacture

Converting

2940208, 291573C, 291574, 29523, 2853825, 376446, 376449, 376353, B21K 2116, B23P 1704, B23P 2300, G21C 330

Patent

active

046414096

ABSTRACT:
A method for reconstituting a nuclear reactor fuel assembly having its top nozzle adapter plate welded to its control rod guide thimble sleeves. Circumferentially cut the sleeves from the adapter plate below the weld. Separate the top nozzle from the cut sleeve 5. Obtain a modified top nozzle refashioned with a groove in its adapter plate control rod passageways. Insert the cut sleeves in the passageways of the modified top nozzle. Circumferentially bulge the sleeves into the grooves. A system for attachment of the top nozzle to the sleeves employing the above-described circumferential bulge and groove attachment.

REFERENCES:
patent: 4326921 (1982-04-01), Cadwell
patent: 4535523 (1985-08-01), Leclercq

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