Radiant energy – Radiation controlling means – Shielded receptacles for radioactive sources
Patent
1988-05-24
1990-01-23
Wasil, Daniel
Radiant energy
Radiation controlling means
Shielded receptacles for radioactive sources
G21F 500
Patent
active
048960462
ABSTRACT:
A shipping cask for transporting radioactive material is disclosed herein which comprises an inner vessel having metallic, heat conducting walls, a plurality of heat conductive, mutually parallel ribs, wherein the inside edge of each is connected to the outside surface of the heat conducting wall of the inner vessel, a layer of neutron absorbing cement disposed over the exterior of the inner vessel and between the mutually parallel ribs, and a plurality of flat circumferentially disposed fin members, each of which has two opposing and mutually parallel edges that are welded to the outer edges of two adjacent ribs. The flat circumferentially disposed fin members dissipate heat conducted through the ribs generated by radioactive material within the inner vessel, and further serve both to support and protect the brittle layer of cement, as well as to provide a watertight barrier thereover so that the cask may be submerged or otherwise exposed to water without absorbing any significant amounts.
REFERENCES:
patent: 4339411 (1982-07-01), Knackstedt et al.
patent: 4666659 (1987-05-01), Lusk et al.
patent: 4711758 (1987-12-01), Machado et al.
patent: 4752437 (1988-06-01), Ito et al.
patent: 4781883 (1988-11-01), Daugherty et al.
patent: 4800283 (1989-01-01), Efferding
Topical Safety Analysis Report for the Westinghouse MC-10 Cask for an Independent Spent Fuel Storage Installation . . . dated Mar, 1987.
Institute of Nuclear Materials Management Spent Fuel Storage Seminar, dated Jan. 20-22, 1988.
Wasil Daniel
Westinghouse Electric Corp.
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