Spacer grid assembly fixture

Details Spacer grid assembly fixture Spacer grid assembly fixture

1990-12-07

1992-05-05

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376438, 376462, 376442, 376443, G21C 334

Patent

active

051105390

ABSTRACT:
A method and apparatus for assembling an egg-crate type grid (10) by orthogonally interengaging slots (30,32) cut transversely into one longitudinal edge of each of a plurality of metal strips (12,14). A first plurality of strips (14) is supported on their lower unslotted edges in north-south orientation so that the strips are uniformly spaced apart in parallel in the east-west direction with all the slots (32) oriented upwardly on the upper edge. The slotted upper edges (26) of adjacent north-south strips are then spread farther apart in the east west direction while maintaining the lower edges (28) at said uniform spacing. The lower, slotted edges (24) of a second plurality of east-west oriented strips are interengaged with the north-south strips while the selected portions of the upper edges of the north-south strips are spread. The upper edges of the first plurality of strips are then returned to the unspread orientation.

REFERENCES:
patent: 4539738 (1985-09-01), Antol et al.
patent: 4714585 (1987-12-01), Kast
patent: 4726926 (1988-02-01), Patterson
patent: 4728489 (1988-03-01), Hatfield
patent: 4793962 (1988-12-01), Tsitsichvili

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