CONTAINER FOR STORING RADIOACTIVE MATERIAL AND A PROCESS FOR SEALING A DOMED LID TO SUCH CONTAINER THE PROCESS

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 characteristics in the area of th...

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Bibliographic Details
Main Authors WICK, WILHELM, BIENEK, HEINZ
Format Patent
LanguageEnglish
French
Published 06.12.1988
Edition4
Subjects
DECONTAMINATION ARRANGEMENTS THEREFOR
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
PHYSICS
PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT
TREATING RADIOACTIVELY CONTAMINATED MATERIAL
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Summary: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 characteristics 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, during 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 maintained by a threaded engagement or a shrink engagement between lid and base.
Bibliography:Application Number: CA19850487024