Receptacles – Compartmented container – Compartment partition is movable or removable
Patent
1975-08-29
1977-09-27
Bentley, Stephen C.
Receptacles
Compartmented container
Compartment partition is movable or removable
52224, 220 9D, 248DIG1, 292312, 292318, 65D 2730, G21C 1304, E04C 310, B65D 2518
Patent
active
040509885
ABSTRACT:
This invention relates to a device for heat-insulating the top part of the annular space separating the main vessel from the safety vessel from a fast-neutron nuclear reactor, the two vessels having a common vertical axis and being open at their top part and covered by a horizontal slab in which the ends are fitted so as to be suspended by the slab.
According to the invention a substantially cylindrical heat-insulating ring is mounted under the slab and cooperates with the slab and with the facing walls of the vessel to bound the region to be insulated. The ring extends through the annular space in a horizontal plane and is carried by the slab by means of tie-rods, and a top insulating ring divided into two coaxial elements rests on the bottom ring and is secured to the walls of the two vessels respectively by an assembly of spacing springs disposed radially and bearing against the two elements.
REFERENCES:
patent: 2991905 (1961-07-01), Monson
patent: 2995505 (1961-08-01), Guild
patent: 3236406 (1966-02-01), First
patent: 3636674 (1972-01-01), Cremer
patent: 3945165 (1976-03-01), Lemercier
Bentley Stephen C.
Commissariat a l''Energie Atomique
Walsh Donald P.
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