G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
G21C3/02—Fuel elements
G21C3/04—Constructional details
G21C3/06—Casings; Jackets
G21C3/10—End closures ; Means for tight mounting therefor
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E30/00—Energy generation of nuclear origin
Y02E30/30—Nuclear fission reactors
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Physics & Mathematics
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Engineering & Computer Science
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Plasma & Fusion
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General Engineering & Computer Science
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High Energy & Nuclear Physics
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Butt Welding And Welding Of Specific Article
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Procédé de fixation résistante et étanche d'un élément cylindrique creux à l'intérieur d'un tube et élément cylindrique pour la mise en oeuvre de ce procédé