Patents
Patents for G21C 21 - Apparatus or processes specially adapted to the manufacture of reactors or parts thereof (1,254)
12/1985
12/04/1985EP0163425A1 Improvements in or relating to fuel rod end plugs
10/1985
10/22/1985US4548347 Automated fuel pin loading system
10/02/1985EP0155958A1 Boride-alumina composite
09/1985
09/11/1985EP0154267A2 Method of manufacturing plate-shaped fuel elements for research reactors
09/03/1985CA1192734A1 Nuclear fuel preparation and scrap recycle
08/1985
08/27/1985US4537741 Funnel for fuel pin loading system
07/1985
07/10/1985EP0148092A2 Manufacturing installation with a plurality of machining stations and transfer system therefor
07/10/1985EP0148091A2 Apparatus for transferring nuclear fuel rod sheaths to a fixed pellets-loading station
07/09/1985US4528435 Wire cutting process and apparatus
06/1985
06/11/1985US4522744 Boron compound coated with pore former, mixed with aluminum oxide,and sintering
06/11/1985CA1188502A1 Burnable neutron absorbers
06/11/1985CA1188501A1 Burnable neutron absorbers
06/04/1985US4521862 Serialization of elongated members
06/04/1985US4521379 Rotary calcining system with cleaning means
05/1985
05/08/1985EP0140283A1 Method of assembling a nuclear reactor fuel assembly
05/08/1985EP0140023A2 Nuclear fuel pellet sintering boat loading system
05/07/1985US4514889 Spring clip inserter tool
04/1985
04/16/1985US4511075 Welding nuclear reactor fuel rod end plugs
03/1985
03/14/1985WO1985001044A1 Boride-alumina composite
02/1985
02/19/1985US4500488 Uranium fuel for nuclear reactor
02/12/1985US4498834 Valve for fuel pin loading system
01/1985
01/22/1985US4495215 Fluidized bed furnace and method of emptying the same
01/22/1985US4495146 In vertically maintained fuel rods
01/22/1985US4495145 Spherical nuclear fuel loading probe
10/1984
10/30/1984US4480171 Gas tungsten arc welder with electrode grinder
10/17/1984EP0122191A1 Method of manufacturing a fuel assembly, and assembly obtained by this method
10/03/1984EP0120378A2 Method and tunnel furnace for sintering green pellets
10/02/1984US4474728 Alluminum oxide, silicon dioxide, metal
09/1984
09/12/1984EP0118328A1 Process and appliance for cutting a wire
08/1984
08/28/1984US4468163 Tray loader method and apparatus for nuclear fuel pellets
08/07/1984US4464332 Device for controlling the dimensions and spaced apart relationship of rigid pieces disposed in a bundle
05/1984
05/30/1984EP0109902A1 Set-up for repairing a nuclear fuel assembly
05/02/1984EP0107158A2 Quality in the manufacture of nuclear fuel
04/1984
04/25/1984EP0106347A1 Process for fabricating a nuclear fuel element
04/18/1984EP0105779A1 Appliance and process for welding nuclear fuel assembly structural elements
03/1984
03/27/1984US4439402 Nuclear fuel conversion systems
03/27/1984US4438912 Swivelling device for supporting a large-size part in the form of a spherical dome
03/21/1984EP0103456A2 Method of making a burnable neutron absorber body for a nuclear reactor
03/20/1984US4438050 Sintering uranium oxide with rare earth oxides
01/1984
01/24/1984US4427317 For supporting equipment from tubular members
11/1983
11/01/1983CA1156036A1 Fluidized bed oven and method of emptying the same
09/1983
09/20/1983CA1153883A1 Method for the production of nuclear fuel oxides
09/07/1983EP0087927A2 Method of making annular pellets for use as burnable neutron absorbers
09/07/1983EP0087926A2 Burnable neutron absorbers
07/1983
07/27/1983EP0084129A2 Method for treating nuclear fuel scrap
06/1983
06/22/1983EP0082075A1 Method and tool for manufacturing a fuel assembly for a light water nuclear reactor
06/21/1983US4389355 Sintering UO2 and oxidation of UO2 with microwave radiation
06/15/1983EP0081379A2 Loading fuel rod with nuclear spheres
06/15/1983EP0081378A2 Loading different-sized spheres of nuclear fuel into a fuel rod sheath
12/1982
12/21/1982US4364859 Method for producing oxide powder
11/1982
11/02/1982CA1134961A1 Control component structure and its removal from fuel assembly
09/1982
09/28/1982CA1132728A1 Control component structure
09/07/1982US4348339 Using a grain growth additive and sintering in a first oxidative atmosphere followed by reduction
06/1982
06/02/1982EP0053066A1 Control device for the dimensions of, and the space between, rigid pieces disposed in a bundle
06/01/1982US4332120 Nuclear fuel pellet loading apparatus
04/1982
04/27/1982CA1122398A1 Method for manufacturing oxidic nuclear fuel bodies
02/1982
02/09/1982US4314885 For removing burnable poison rods from nuclear reactors
01/1982
01/27/1982EP0044684A1 Pellet workpiece container boat loading apparatus
12/1981
12/09/1981EP0041259A1 Fluidised furnace and process for emptying it
11/1981
11/03/1981US4297776 Leaf spring puller for nuclear fuel rods
10/1981
10/13/1981CA1110783A1 Fuel assembly with a removable end fitting
10/06/1981US4292788 Nuclear fuel rod loading apparatus
09/1981
09/29/1981US4292130 Remotely assemblable and disassemblable fuel assembly for nuclear reactors
07/1981
07/01/1981EP0031066A1 Process for producing nuclear-fuel oxides
06/1981
06/09/1981US4272232 Particle blender
06/02/1981US4271101 Process for the production of spherical-shaped fuel elements for high temperature reactors
05/1981
05/12/1981CA1100723A1 Press apparatus
05/05/1981US4265010 Method and apparatus for adjusting the elevation of fuel rods in a nuclear reactor fuel assembly
04/1981
04/08/1981EP0026389A1 Process for preparing high-density oxidic nuclear-fuel bodies
01/1981
01/13/1981CA1093293A1 Sintering nuclear fuel pellets
01/06/1981US4243078 Method and apparatus for manufacturing fuel rods
01/06/1981CA1093108A1 Apparatus for feeding nuclear fuel pellets to a loading tray
12/1980
12/09/1980CA1091367A1 Nuclear fuel element nut retainer cup
11/1980
11/25/1980US4235066 Nuclear fuel rod loading apparatus
11/18/1980CA1089937A1 Apparatus for welding an end plug in a nuclear fuel tube
11/18/1980CA1089644A1 Pellet dimension checker
10/1980
10/15/1980EP0017508A1 Leaf spring puller for nuclear fuel rods
08/1980
08/26/1980US4218908 Device and method for shortening reactor process tubes
08/26/1980CA1084636A1 Sealing of containers in a controled atmosphere by magnetic welding
07/1980
07/29/1980CA1082443A1 Fugitive binder for nuclear fuel materials
07/15/1980CA1081667A1 Fuel pellet loading apparatus
07/15/1980CA1081436A1 Remote nuclear green pellet processing system
07/09/1980EP0013166A1 Vibratory tube feeder for powder transfer system
07/09/1980EP0012915A1 Process for manufacturing oxidic nuclear fuel elements
07/01/1980CA1080462A1 Process for producing fuel particles and fertile material particles
06/1980
06/24/1980US4209492 Arrangement for the production of spherical particles from drops of aqueous nitrate solutions of uranium, plutonium or thorium, or mixtures of these materials for fuel and breeder elements for nuclear reactors
06/17/1980US4208248 Fuel assembly with a removable end fitting
05/1980
05/13/1980US4202849 Method for making nuclear fuel element
03/1980
03/18/1980US4193502 Pellet dimension checker
02/1980
02/12/1980US4188521 Apparatus for welding an end plug in a nuclear fuel tube
01/1980
01/29/1980US4185926 Safe-geometry pneumatic nuclear fuel powder blender
01/23/1980EP0007251A1 Nuclear fuel unit that can be assembled and dismantled from a distance, and tools therefor
01/08/1980US4182152 Grid sleeve bulge tool
01/08/1980CA1069295A1 Process for drying encapsulated fissile and non-fissile bodies
01/01/1980US4181008 Method of assuring nuclear fuel rod pressurization during manufacture
12/1979
12/11/1979CA1068027A1 Carbonaceous nuclear fuel body
11/1979
11/27/1979US4175318 Apparatus of assembling fuel rod bundle
10/1979
10/30/1979US4172667 Method and apparatus for blending powders in a fluidized bed
10/30/1979CA1065357A1 Leak detection system
10/23/1979CA1064741A1 Tool for locking and unlocking nuclear fuel element retainer nut
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