Patent
1975-07-10
1977-05-10
Engle, Samuel W.
176 65, 176 87, 52224, 52248, 52675, G21C 1108
Patent
active
040226573
ABSTRACT:
A thermal protection device which prevents the formation of neutral gas thermosiphons within the annular space formed between a reactor vessel wall and the shell of a top closure structure from which the vessel wall is suspended essentially consists of one or a number of packing rings fitted and compressed within the annular space, each ring being made up of a series of elements placed in adjacent relation at the periphery of the closure structure.
REFERENCES:
patent: 3236300 (1966-02-01), Chave et al.
patent: 3357890 (1967-12-01), Friis et al.
patent: 3362567 (1968-01-01), Rudock
patent: 3548931 (1970-12-01), Germer et al.
patent: 3640032 (1972-02-01), Jubb
patent: 3764468 (1973-10-01), Hind
patent: 3830695 (1974-08-01), Sauvage
Commissariat a l''Energie Atomique
Engle Samuel W.
Nelson Peter A.
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