Container for storing radioactive material and a process for...

Details Container for storing radioactive material and a process for... Container for storing radioactive material and a process for...

G - Physics

21

F

26/182, 358/29

G21F 5/00 (2006.01) G21F 5/12 (2006.01)

Patent

CA 1246247

ABSTRACT OF THE DISCLOSURE: In a process for sealing a container made of metal material for storing radioactive material, especially radioactive material put in a inner container, wherein a lid is welded to the front storage opening of a container base. To improve the stress corrosion cracking characteris- tics in the area of the welding seam it is proposed that the lid arched like a dome at least on its inner surface be kept in contact with a contact surface of the container base formed in the area of the front storage opening, dur- ing welding to the container base, under a preset pressing force which considerably exceeds the weight of the lid. The invention is also directed to a correspondingly shaped container. The preset pressing force is preferably main- tained by a threaded engagement or a shrink engagement between lid and base.

487024

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