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Class Information
Number: 976/DIG.259
Name: Nuclear technology > Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor (e.g., within its pressure vessel) [g21c-19/00] > Arrangements for introducing object into the pressure vessel; arrangements for handling objects within the pressure vessel; arrangements for removing objects from the pressure vessel [g21c-19/20]
Description:










Sub-classes under this class:

Class Number Class Name Patents
976/DIG.260 Arrangements for handling ball-form (i.e., pebble fuel) [g21c-19/20a] 5
976/DIG.262 Arrangements for obtaining access to the interior of a pressure vessel while the reactor is operating [g21c-19/22] 1
976/DIG.261 Interchanging of fuel elements in the core (fuel shuffling) [g21c-19/20b] 10


Patents under this class:

Patent Number Title Of Patent Date Issued
5019327 Fuel assembly transfer basket for pool type nuclear reactor vessels May. 28, 1991
4894849 Apparatus and method for transferring nuclear reactor fuel assemblies Jan. 16, 1990
4885123 Apparatus for handling constituent elements of reactor core Dec. 5, 1989
4824633 Method and apparatus for controlling refuelling machine of reactor Apr. 25, 1989
4786460 Installation for handling assemblies forming the core of a fast neutron nuclear reactor Nov. 22, 1988
4778646 Gas cooled high temperature reactor charged with spherical fuel elements Oct. 18, 1988
4707323 Duct closure Nov. 17, 1987
4705661 Fast neutron nuclear reactor equipped with a central handling cell and a boxed slab Nov. 10, 1987
4676945 Fuel assembly insertion system Jun. 30, 1987
4647423 Fuel handling apparatus for a nuclear reactor Mar. 3, 1987
4507261 Handling process and installation for the assemblies of a neutron nuclear reactor Mar. 26, 1985
4485067 Fuel transfer manipulator for liquid metal nuclear reactors Nov. 27, 1984
4443403 Apparatus for loading and unloading fuel assemblies for a fast neutron nuclear reactor Apr. 17, 1984
4440718 Fuel assembly transfer device for breeder nuclear reactor Apr. 3, 1984
4410485 Assembly fixture for cross-shaped control rods of boiling water nuclear reactors Oct. 18, 1983
4364899 Assembly for passage through a containment slab for transferring irradiated nuclear fuel Dec. 21, 1982
4292133 Method of and apparatus for replacing control rod drive Sep. 29, 1981
4286287 Irradiation specimen installation apparatus with television inspection Aug. 25, 1981
4202729 Device for the charge and discharge of nuclear reaction fuel assemblies May. 13, 1980
4195868 Tubular closure mechanism Apr. 1, 1980
4158600 Apparatus for handling control rod drives Jun. 19, 1979
4147588 Fast reactor recharging device Apr. 3, 1979
4096031 Nuclear reactor refueling system Jun. 20, 1978
4086132 Combined fuel assembly and thimble plug gripper for a nuclear reactor Apr. 25, 1978
4069098 Ex-vessel nuclear fuel transfer system Jan. 17, 1978
4069099 Nuclear reactor fuel transfer system Jan. 17, 1978
4064000 Nuclear reactor core servicing apparatus Dec. 20, 1977
4062723 Core access system for nuclear reactor Dec. 13, 1977
4056435 Loading and unloading of a nuclear reactor core Nov. 1, 1977
4036687 Nuclear reactors Jul. 19, 1977
4002529 Nuclear fuel handling apparatus Jan. 11, 1977
3971482 Anti-leak closure valve Jul. 27, 1976
3960656 Pebble-bed reactor Jun. 1, 1976
3955692 Handling apparatus May. 11, 1976
3948723 Device for facilitating the insertion and withdrawal of fuel assemblies from a nuclear reactor Apr. 6, 1976
3948724 Device traveling in nuclear reactor rotary cover for handling rod-shaped members in the reactor Apr. 6, 1976











 
 
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