Treatment prior to disposal of a sheathing tube of a spent fuel

Details Treatment prior to disposal of a sheathing tube of a spent fuel Treatment prior to disposal of a sheathing tube of a spent fuel

1982-11-12

1986-01-28

Rosenbaum, Mark

Metal deforming

By deflecting successively-presented portions of work during...

To form spiral coil

241232, 252626, B21C 4714

Patent

active

045663025

ABSTRACT:
A method of treating a sheathing tube or fuel channel of a spent fuel box of a fuel assembly of a nuclear reactor comprises containing and reducing the volume of the sheathing tube prior to its disposal. The sheathing tube, after separation from a bottom piece of the fuel box, is placed in a protective tube. The protective tube and sheathing tube contained therein are then flattened and shaped into a convoluted form. Typically the flattening and shaping are performed in a single operation in a rolling mill, the protective tube and sheathing tube being rolled into a coil.

REFERENCES:
patent: 3038521 (1962-06-01), Wagner
patent: 4154408 (1979-05-01), Boling, Jr.

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