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Class Information
Number: 376/260
Name: Induced nuclear reactions: processes, systems, and elements > Handling of fission reactor component structure within reactor system
Description: Subject matter for physically moving structure within the nuclear fission reactor system.










Sub-classes under this class:

Class Number Class Name Patents
376/261 Fuel component 467
376/268 Refueling machines 100
376/272 Storage container systems for new and/or irradiated core elements 688


Patents under this class:
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Patent Number Title Of Patent Date Issued
4499691 Jet pump beam bolt retainer cutter Feb. 19, 1985
4496519 Nuclear reactor vessel decontamination systems Jan. 29, 1985
4492843 Apparatus and method for laser machining in a non-reactive environment Jan. 8, 1985
4487356 Device having expandable mandrel for making nuclear fuel element storage tubes Dec. 11, 1984
4481164 Reactivity control assembly for nuclear reactor Nov. 6, 1984
4475860 Apparatus for discharging radioactive waste from its container Oct. 9, 1984
4473529 Device for collecting purge liquids and gases in an installation containing substances which may possess a certain degree of radioactivity Sep. 25, 1984
4468172 Jet pump plug Aug. 28, 1984
4460920 Automatically traveling tube-interior manipulator for remotely controlled transportation of testing devices and tools along given feedpaths, preferably for nuclear reactor installations Jul. 17, 1984
4452753 Apparatus for cleaning and inspecting closure studs of a nuclear reactor vessel Jun. 5, 1984
4450016 Method of manufacturing cladding tubes of a zirconium-based alloy for fuel rods for nuclear reactors May. 22, 1984
4448561 Screwed safety assembly May. 15, 1984
4446099 Device for protecting control cluster actuating mechanisms during the testing of a nuclear reactor May. 1, 1984
4442065 Retrofittable nuclear reactor core catcher Apr. 10, 1984
4440339 Method of repairing housing of control rod driving system Apr. 3, 1984
4438912 Swivelling device for supporting a large-size part in the form of a spherical dome Mar. 27, 1984
4436692 Plug for reactor pressure vessel nozzle Mar. 13, 1984
4434092 Method for preparing radioactive control rods from nuclear reactors for storage or disposal Feb. 28, 1984
4432932 Reactor head shielding system Feb. 21, 1984
4432128 Method and system for installing a layered vessel on location Feb. 21, 1984
4429663 Reactor pressure vessel for a boiling-water reactor Feb. 7, 1984
4427621 Jacking mechanism for upper internals structure of a liquid metal nuclear reactor Jan. 24, 1984
4427317 Expandable camlock Jan. 24, 1984
4427622 Alignment tool for spacers of nuclear reactor fuel assemblies Jan. 24, 1984
4426350 Valve support arrangement for pressurizer in a nuclear power plant Jan. 17, 1984
4425963 Heat insulation for dome-shaped bottom and/or cover region of a pressure vessel Jan. 17, 1984
4425298 Baffle maintenance apparatus Jan. 10, 1984
4421715 Baffle maintenance apparatus Dec. 20, 1983
4418462 Method of assembling and disassembling a control component structure Dec. 6, 1983
4416848 Device for fixing a guide tube Nov. 22, 1983
4410485 Assembly fixture for cross-shaped control rods of boiling water nuclear reactors Oct. 18, 1983
4409466 Method of manufacture of a hoop for the vessel of a nuclear reactor Oct. 11, 1983
4406856 Removal of portions of tubes from steam generator of nuclear reactor Sep. 27, 1983
4397811 Nuclear reactor with integral heat exchangers Aug. 9, 1983
4393899 Plugging apparatus Jul. 19, 1983
4386456 Method of assembling a unitary heat exchanger tube bundle assembly Jun. 7, 1983
4381283 Control component structure Apr. 26, 1983
4377551 Incore cutting machine Mar. 22, 1983
4373755 Lifting device for the transportation of flasks Feb. 15, 1983
4355790 Heat-treatment device for prolonging the life of a pressure vessel such as a reactor pressure vessel especially Oct. 26, 1982
4339163 Bag-like contaminant control work module Jul. 13, 1982
4336103 Method of repairing partly burnt-off fuel elements in the fuel-element pit pressurized water reactors and device therefor Jun. 22, 1982
4319961 Fixing device for detachably fixing a heating element Mar. 16, 1982
4313793 Machine for removing in-core instrument assemblies from a nuclear reactor Feb. 2, 1982
4312124 Multiple tube pulling apparatus Jan. 26, 1982
4310034 Joining apparatus between a transportation container and a horizontal wall of a discharge Jan. 12, 1982
4309583 Heat-treating apparatus for prolonging the life of a pressure vessel, especially a reactor pressure vessel Jan. 5, 1982
4302290 Nuclear reactor vessel head equipment support structure Nov. 24, 1981
4299662 Connecting apparatus for limited rotary or rectilinear motion Nov. 10, 1981
4299658 Radiation shield ring assembly and method of disassembling components of a nuclear steam generator using such assembly Nov. 10, 1981

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