Sealing device a confinement box for use multiple FAs or irradiated nuclear high level waste.

摘要

The invention relates to a closure device ESTANCO removable metal box CONTAINMENT MULTIPURPOSE IRRADIATED NUCLEAR FUEL. It consists essentially of a body TUBULAR (1) with a vertical axis, a lower end sealed with a soldier and an upper end FUND completely open. THE BOX THIS intended to be introduced entirely in an outer container METALICO THICK WALLED. The closure device INCLUDES:. At least two disks SOLID METALLIC REMOVABLE (13, 13) situated entirely inside the tubular body and VAN SUPPORTED, directly or through a disk or support ring (12), a projection (11) PRACTICED IN inner wall of the tubular body (1), all or part of its periphery and near its upper end. EACH OF THE METALLIC solid discs (13, 13) is provided with sealing means (14, 15, 14, 15) located on its periphery cooperating with part VERTICAL inner wall of the tubular body. A fastening device located inside the tubular body ABOVE METALLIC solid discs (13, 13) which enables tightness ACT ON DISCS.