VERMEISOLERINGSANORDNING FOR DEN OVRE DELEN AV DET RINGFORMIGA UTRYMME SOM ATSKILJER EN SNABB KERNREAKTORS PRIMER- OCH SEKERHETSKERL

摘要

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.