Apparatus for shearing spent nuclear fuel assemblies

Details Apparatus for shearing spent nuclear fuel assemblies Apparatus for shearing spent nuclear fuel assemblies

1978-12-07

1980-02-05

Feldman, Peter

Presses

Methods

With cutting or comminuting

100 95, 100295, 72326, 72334, 83580, 83694, B30B 1300

Patent

active

041866576

ABSTRACT:
A method and apparatus are described for shearing spent nuclear fuel assemblies of the type comprising an array of fuel pins disposed within an outer metal shell or shroud. A spent fuel assembly is first compacted in a known manner and then incrementally sheared using fixed and movable shear blades having matched laterally projecting teeth which slidably intermesh to provide the desired shearing action. Incremental advancement of the fuel assembly after each shear cycle is limited to a distance corresponding to the lateral projection of the teeth to ensure fuel assembly breakup into small uniform segments which are amenable to remote chemical processing.

REFERENCES:
patent: 1424005 (1922-07-01), Drury
patent: 3763770 (1973-10-01), Ehrman et al.
patent: 4056052 (1977-11-01), Weil et al.

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