Method for handling nuclear fuel casks

Details Method for handling nuclear fuel casks Method for handling nuclear fuel casks

1975-05-14

1976-09-14

Kunin, Stephen G.

176 30, B66C 502

Patent

active

039801888

ABSTRACT:
A heavy shielded nuclear fuel cask is lowered into and removed from a water filled spent fuel pool by providing a vertical guide tube in the pool, affixing to the bottom of the cask a base plate that approximates the transverse dimension of the guide tube, and lowering and elevating the cask and base plate assembly into and out of the pool by causing it to traverse within the guide tube. The guide tube and base plate coact to function as a dashpot, thereby cushioning and controlling the fall of the cask in the pool should it break loose while being lowered into or raised out of the pool. A specified approach path to the guide tube insures that the cask assembly will not fall into the pool, should it break loose on its approach to the guide tube.

REFERENCES:
patent: 2806819 (1957-09-01), Christy et al.
patent: 3819066 (1974-06-01), Jones
patent: 3836430 (1974-09-01), Frisch et al.
patent: 3863770 (1975-02-01), Shallenberger et al.

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