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Class Information
Number: 376/206
Name: Induced nuclear reactions: processes, systems, and elements > Seal arrangements > Between pressure vessel cover and vessel or portion thereof > Rotating plug-type cover
Description: Subject matter wherein the closure means is capable of rotary movement.










Patents under this class:

Patent Number Title Of Patent Date Issued
8675803 Cover device for jet pumps installed in nuclear power plant vessels Mar. 18, 2014
8576973 Container-loading cask for at least one nuclear fuel assembly, a gripping device and loading method Nov. 5, 2013
6662759 Temporary plug cover for hole or port in steam generator of nuclear power plant Dec. 16, 2003
6594333 Thermal load reducing system for nuclear reactor vessel Jul. 15, 2003
6351510 Nuclear plant Feb. 26, 2002
5577085 Boiling water reactor with compact containment and simplified safety systems Nov. 19, 1996
5513227 Readily disconnectable nozzle arrangement for use with a nuclear reactor Apr. 30, 1996
5426676 Extrusion-resistant seal assembly Jun. 20, 1995
5406596 Device for the sealed clamping against a support surface of an instrumentation column Apr. 11, 1995
5377235 Control rod canopy seal positioning and welding system Dec. 27, 1994
5094809 Device for the obturation and retention of a sealed closure plug of a steam generator tube Mar. 10, 1992
4784561 Device for the remote feeding of cylindrical pieces to an automatic machine, such as a machine plugging the tubes of a steam generator of a pressurized-water nuclear reactor Nov. 15, 1988
4756879 Core cover plug of a liquid metal-cooled nuclear reactor Jul. 12, 1988
4746485 Rotating shielded crane system May. 24, 1988
4712015 Shields for nuclear reactors Dec. 8, 1987
4705661 Fast neutron nuclear reactor equipped with a central handling cell and a boxed slab Nov. 10, 1987
4698199 Retractable duct connectors in a nuclear reactor Oct. 6, 1987
4587081 Slab for closing the vessel of a fast neutron nuclear reactor May. 6, 1986
4464334 Fast neutron nuclear reactors Aug. 7, 1984
4401619 Nuclear reactor sealing system Aug. 30, 1983
4348354 Semi-modular heat exchanger for nuclear reactors Sep. 7, 1982
4341732 Nuclear reactor dip seal Jul. 27, 1982
4330370 Seal and bearing arrangement for use in a nuclear reactor May. 18, 1982
4299662 Connecting apparatus for limited rotary or rectilinear motion Nov. 10, 1981
4288292 Connecting apparatus for limited rotary of rectilinear motion (II) Sep. 8, 1981
4236971 Apparatus for sealing a rotatable shield plug in a liquid metal nuclear reactor Dec. 2, 1980
4230526 Liquid sodium dip seal maintenance system Oct. 28, 1980
4214903 Bismuth-tin-indium alloy Jul. 29, 1980
4200172 Radiation shielded movable work station apparatus Apr. 29, 1980
4192558 Self-lubricating bearing Mar. 11, 1980
4181572 Closure head for a nuclear reactor Jan. 1, 1980
4135973 Core disruptive accident margin seal Jan. 23, 1979
4116766 Ultrasonic dip seal maintenance system Sep. 26, 1978
4115193 Nuclear reactor pressure vessel support system Sep. 19, 1978
4113564 Core disruptive accident margin seal Sep. 12, 1978
4083718 Bismuth-tin-indium-lead alloy Apr. 11, 1978
4080254 Plug-to-plug gas transfer system Mar. 21, 1978
4078969 Core disruptive accident margin seal Mar. 14, 1978
4071402 Nuclear reactor apparatus Jan. 31, 1978
4069099 Nuclear reactor fuel transfer system Jan. 17, 1978
4050987 Rotating plug bearing and seal Sep. 27, 1977
4026763 Liquid-metal dip seal with pneumatic spring May. 31, 1977











 
 
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