G - Physics – 21 – F
Patent
G - Physics
21
F
22/179, 358/29,
G21F 5/00 (2006.01) G21F 5/005 (2006.01) G21F 7/00 (2006.01)
Patent
CA 1191624
Abstract of the Disclosure The invention is directed to a container for the interim a long-term storage of radioactive material such as irradiated nuclear reactor fuel elements. The container includes a vessel and a cover. The vessel has a base and a wall extending upward from the base. The wall terminates in an upper end portion defining the opening of the vessel for receiving the radioactive material to be stored therein. A sealing cover tightly closes the vessel. The vessel is a double-walled body made up of two metal layers defining the outer and inner walls of the vessel. The inner wall constitutes a base structure made of an inexpensive and mechanically stable material; whereas, the outer wall is made of a corrosion-resistant material. In order to produce the outer wall at low cost and with a minimal technical effort, the inner wall is made of a material selected from the group including nodular cast iron and gray cast iron and the outer wall is made of high-alloy austenitic cast iron containing nodular graphite, the latter being cast around the base structure. The opening of the vessel is closed with a sealing cover welded to the outer wall of the vessel. methods of making the vessel of the container are also disclosed.
418178
Feuring Kurt
Popp Franz-Wolfgang
Deutsche Gesellschaft Fur Wiederaufarbeitung von Kernbrennstoffe
Nukem G.m.b.h.
Robic Robic & Associes/associates
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