US 7,321,128 B2
Container for radioactive materials and process for closing same
Alain Beziat, Tresques (France); and Richard Levoy, Reauville (France)
Assigned to Commissariat a l'Energie Atomique, Paris (France)
Appl. No. 10/529,616
PCT Filed Sep. 29, 2003, PCT No. PCT/FR03/02852
§ 371(c)(1), (2), (4) Date Mar. 30, 2005,
PCT Pub. No. WO2004/032152, PCT Pub. Date Apr. 15, 2004.
Claims priority of application No. 02 12115 (FR), filed on Oct. 01, 2002.
Prior Publication US 2006/0060801 A1, Mar. 23, 2006
Int. Cl. G21F 5/00 (2006.01)
U.S. Cl. 250—506.1  [250/505.1] 8 Claims
OG exemplary drawing
 
1. A container for radioactive materials comprising a main hollow body as well as a cover made of at least a first metallic material, said cover being fixed on the main hollow body by means of sealing means made of a second metallic material poured into a groove defined by the cover and the main hollow body of the container, wherein the cover and the main hollow body are made solid with said sealing means by means of a bonding zone, formed by chemical reaction between the first and second metallic materials, wherein the first metallic material comprises a material selected from the group consisting of cast iron and steel, and wherein the second metallic material poured is a material selected from the group consisting of aluminum and aluminum alloys, with the bonding zone being composed of an iron-aluminum alloy.