Patent ID: 6625246
Filing Date: 2003-09-23
Classification: G21C,G21F,Y02E,Y10T

Abstract:
An apparatus for use in transferring a canister of spent nuclear fuel from a transfer cask to a storage cask, the transfer cask having a bottom surface, a bottom lid adapted to be secured to and unfastened from the bottom surface, and a cavity adapted for receiving the canister, the storage cask having a top surface and a cavity adapted for receiving the canister, the apparatus comprising:a radiation absorbing shield surrounding a portion of a hole through which the canister can pass; means for securing the apparatus to the top surface of the storage cask; means for securing the bottom surface of the transfer cask to the apparatus; wherein the transfer cask securing means and the storage cask securing means are positioned on the apparatus so that when the apparatus is secured to both the transfer cask and the storage cask, the cavity of the transfer cask, the hole, and the cavity of the storage cask are substantially aligned; and means for moving the bottom lid in a horizontal direction once the bottom lid is unfastened from the bottom surface, the horizontal moving means comprising means for lowering the bottom lid onto the horizontal moving means.