Radiant energy – Radiation controlling means – Shielded receptacles for radioactive sources
Patent
1975-06-30
1977-04-26
Willis, Davis L.
Radiant energy
Radiation controlling means
Shielded receptacles for radioactive sources
G21F 500
Patent
active
040203557
ABSTRACT:
A receptacle for storing radioactive material includes three concentric cylindrical casings of radiation shielding material, a container of radioactive material being received within the innermost casing, and a cover member or members forming a closure for the casingswhich are open at the top. Two of the casings and the cover member or members are of non-transparent radiation shielding material, such as lead, and the third casing is of transparent radiation shielding material, such as leaded glass. One of the non-transparent casings is movable with respect to the other non-transparent casing so that windows in each of the non-transparent casings can be aligned by the relative movement therebetween to permit the viewing of the material level within the container.
REFERENCES:
patent: 3655985 (1972-04-01), Brown et al.
patent: 3673411 (1972-06-01), Glasser
Czaplinski Thomas V.
Haney Thomas Albert
Archer John J.
E. R. Squibb & Sons Inc.
Levinson Lawrence S.
Smith Merle J.
Willis Davis L.
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