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Class Information
Number: 976/DIG.153
Name: Nuclear technology > Sheilding structurally associated with the reactor [g21c-11/00] > Biological sheilding; neutron and gamma shielding [g21c-11/02] *** (in general dig. 319+)

Sub-classes under this class:

Class Number Class Name Patents
976/DIG.157 Characterized by the form or by the material [g21c-11/02f] 11
976/DIG.156 In apertures or channels through a wall [g21c-11/02d] 4
976/DIG.154 Inside the reactor vessel [g21c-11/02b] 4
976/DIG.158 On waterborne craft [g21c-11/04] 0

Patents under this class:

Patent Number Title Of Patent Date Issued
5084234 Absorption casing for a source of radioactive radiation, particularly for a nuclear reactor Jan. 28, 1992
5084233 Reactor head shielding apparatus Jan. 28, 1992
4997619 Shield for a nuclear reactor Mar. 5, 1991
4893023 Radiation shielding apparatus Jan. 9, 1990
4865801 Shielding device Sep. 12, 1989
4851185 Radiation shielding method and apparatus Jul. 25, 1989
4849162 Modular radial neutron reflector Jul. 18, 1989
4828789 Reactor vessel head permanent shield May. 9, 1989
4801423 Radiation shielding door assembly Jan. 31, 1989
4699752 Shielding device Oct. 13, 1987
4654188 Pivotably mounted reactor shroud shield and shielding method Mar. 31, 1987
4650643 Neutron streaming shield for nuclear vessel cavity Mar. 17, 1987
4308101 Fixing means for a substantially cylindrical nuclear reactor pressure vessel with a vertical axis Dec. 29, 1981
4123662 Shield bag Oct. 31, 1978
4104354 Method for assembling by adhesion with synthetic resins Aug. 1, 1978
4038136 Support structure for the lateral neutron shield system of a fast reactor core Jul. 26, 1977
3985614 Nuclear reactor installation Oct. 12, 1976
3947321 Control and shim rod arrangement with moveable plugs Mar. 30, 1976

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