Patents
Patents for G21C 13 - Pressure vessels; Containment vessels; Containment in general (2,467)
02/1996
02/28/1996CN1117646A Method and apparatus for enhancing reactor air-cooling system performance
02/15/1996DE4428501A1 Reactor pressure vessel decommissioning appts.
02/08/1996DE4429012C1 Exchange of components, e.g. steam generators, inside nuclear reactor
02/06/1996US5490190 Alignment pin and method for aligning a nuclear fuel assembly with respect to a core plate disposed in a nuclear reactor pressure vessel
02/01/1996WO1997002576A1 Metal alloy coating for mitigation of stress corrosion cracking of metal components in high-temperature water
01/1996
01/30/1996US5488643 Method and apparatus for supporting a shroud in a nuclear reactor
01/24/1996EP0693753A1 Method for implementing a leakproof connection means between a control rod drive mechanism and an adapter of a nuclear reactor, and corresponding connection means
01/10/1996EP0691658A1 Method for replacing a tube crossing of a pressurised water nuclear reactor vessel bottom
01/09/1996US5483560 Method and apparatus for testing, repairing or exchanging the nozzles passing through the bottom of a reactor pressure vessel
01/09/1996US5482169 Cable lifting device for handling heavy loads within a tight shielded enclosure
01/09/1996US5481928 Modular wall member of an enclosure for covering a receptacle and in particular the vessel head of a nuclear rector
12/1995
12/21/1995DE19519903A1 Device for vertical fixing of core mantle in boiling water reactor
12/05/1995US5473643 Corrosion testing using isotopes
11/1995
11/23/1995DE19517713A1 Means for holding steady core mantle in boiling water reactor
11/22/1995CN1112278A Vessel of a nuclear reactor, including means for holding its lower internals and method of adjusting the holding means
11/16/1995WO1995030989A1 Replacement nozzle for pressure vessels and method of attaching same
11/08/1995EP0681301A1 Feedwater nozzle and method of repair
11/07/1995US5465281 Insulated protective coating for mitigation of stress corrosion cracking of metal components in high-temperature water
11/02/1995WO1995029487A1 Reactor core shroud repair with welded brackets
11/02/1995WO1995029036A1 Method and apparatus for joining metal components
10/1995
10/24/1995US5460045 Ultrasonic probes for inspection of reactor pressure vessel bottom head and weld buildup thereon
10/19/1995WO1995027984A1 Method and device for ensuring a thermal shield between surfaces with different temperatures
10/19/1995WO1995027983A1 Method and device for ensuring a thermal shield between parts with different temperatures
10/12/1995WO1995027287A1 Instrument column sealing device
10/12/1995DE19512918A1 Moderating crack initiation or propagation in water-cooled nuclear reactor component
10/12/1995CA2145895A1 Insulated protective coating for mitigation of stress corrosion cracking of metal components in high-temperature water
10/10/1995US5456290 Tube plug having a flange sealing a chamber for plugging a tubular member
10/09/1995CA2145897A1 Method of mitigating stress corrosion cracking of metals in high-temperature water by control of crack tip ph
09/1995
09/26/1995US5452629 Device for selectively tensioning and clamping studs mounted on a pressure vessel to permit nuts to be tightened or loosened
09/21/1995DE4408873A1 Screw fastener for reactor vessel
09/20/1995EP0673040A1 Nuclear reactor vessel having lower internal hold-down means and hold-down means adjustment method
09/12/1995US5450459 Enclosure for confining and covering a wall and in particular the vessel head of a nuclear reactor
08/1995
08/15/1995US5442667 Reactor pressure vessel with limited failure zones
07/1995
07/27/1995DE4426856C1 Temp. and pressure responsive signal probe
07/18/1995US5434895 Method and device for repairing the internal surface of an adapter passing through the head of the vessel of a nuclear reactor
07/18/1995US5434894 Reactor cavity seal joint
07/11/1995US5432828 Method and device for replacing an adaptor for penetrating the vessel head of a nuclear reactor
07/05/1995EP0661720A1 Method and device for manufacturing a sealing protective layer on a surface of a nuclear reactor component, and applications
07/05/1995CN1029270C Incore instrumentation system for pressurized water reactor
07/04/1995US5430779 Apparatus for supporting a shroud in a nuclear reactor
06/1995
06/28/1995CN1104363A Device for the sealed clamping against a support surface of an instrumentation column
06/21/1995CN1029052C Device for wedging the upper support plate of a cluster guides in relation to the vessel of a nuclear reactor
06/20/1995US5426676 Extrusion-resistant seal assembly
06/20/1995US5426675 Self-aligning seal system for maintenance service in nuclear reactor pressure vessels
06/06/1995US5421369 For plugging a fluid line
04/1995
04/18/1995US5408509 Measuring system for tensioned studs
04/15/1995CA2102053A1 Rv head o-ring hanger
04/15/1995CA2101727A1 Dual valve tritium transportation and storage bed
04/12/1995EP0495103B1 Atomic power generation system and its construction method
04/11/1995US5406596 In a pressurized-water nuclear vessel
04/11/1995US5406595 Device for sealing a lead-through
04/04/1995US5404382 Method of exchanging a nozzle passing through a cover of a nuclear reactor pressure vessel
03/1995
03/14/1995US5396800 Apparatus and method for inspecting a control rod drive mechanism penetration tube for degradation
03/09/1995DE4407728C1 Flange joint with welded lip seal
03/07/1995US5396525 Method and device for repairing the internal surface of an adapter passing through the head of the vessel of nuclear reactor
03/01/1995EP0640991A1 Airlock system for transfer passage
02/1995
02/21/1995US5392323 Reactor pressure vessel in a nuclear power station
02/08/1995CN1098547A Leaktightness device for an instrumentation column passing through the head of a nuclear reactor vessel
02/07/1995US5388131 Method and device for machining the internal surface of a tubular component and in particular an adaptor fixed to the vessel head of a pressurized water nuclear reactor
01/1995
01/26/1995WO1995002562A1 Shock-absorbing system and method of manufacturing it
01/18/1995EP0634045A1 Gastight wall.
01/12/1995WO1995001640A1 Device for containing and cooling reactor-meltdown products
01/05/1995DE4321229A1 Industrial installation with a safety building
12/1994
12/22/1994DE4320534A1 Nuclear reactor installation having a carrying and protecting structure for a reactor pressure vessel
12/21/1994EP0630028A1 Thermal protection sleeve for nuclear reactor vessel nozzle
11/1994
11/23/1994EP0625644A1 Positive thread start fastener
11/23/1994CN1095518A Modular wall member of an enclosure for covering a receptacle and in particular the vessel head of a nuclear reactor
11/22/1994US5366331 Shape memory lock fastener
11/17/1994EP0624883A1 Sealing process and device for a feedthrough tube in a convex wall of a nuclear reactor component
11/16/1994CN1095180A Enclosure for confining and covering a wall and in particular the vessel head of a nuclear reactor
11/13/1994CA2123381A1 Process and device for fixedly sealing pipes through bulged walls of a nuclear reactor component
11/03/1994DE4313778A1 Screw clamping device
11/02/1994EP0622156A1 A systenm and method for shot peening reactor vessel penetrations
10/1994
10/28/1994CA2122186A1 System and method for shot peening reactor vessel penetrations
10/26/1994EP0620946A1 Method and device for detecting leaks through the bushings of the cover of a nuclear reactor vessel.
10/25/1994US5359632 Reactor vessel cavity seal plate
10/19/1994EP0620560A1 Pressure suppression containment system
10/12/1994EP0619582A1 Reactor pressure vessel nozzle
10/04/1994US5353320 Reactor pressure vessel nozzle
10/04/1994US5353319 Removable feedwater sparger assembly
10/04/1994US5353318 In a passive emergency cooling system of a boiling water reactor
09/1994
09/27/1994US5351277 Method of constructing top slab of nuclear reactor container and nuclear reactor container constructed by the method
09/21/1994EP0616337A1 Reactor pressure vessel with limited zones of failure
09/21/1994EP0616336A1 Method and device for replacing an adapter for a nuclear reactor vessel closure crossing
09/20/1994US5349614 Steam line plug installation tool
09/16/1994CA2118854A1 Reactor pressure vessel with limited failure zones
09/14/1994EP0615254A1 Reactor pressure vessel vented head
09/06/1994US5345484 Feedwater nozzle and method of repair
08/1994
08/24/1994EP0612077A1 Confinement and wall-cover structure, in particular for the vessel plug of a nuclear reactor
08/24/1994EP0612076A1 Element of modular wall for a container cover-barrier and in particular for a nuclear reactor vessel plug
08/16/1994US5339340 Liquid metal reactor air cooling baffle
08/03/1994EP0608806A1 Method and installation for inspecting, repairing or replacing the tubes penetrating through the bottom head of a reactor vessel
07/1994
07/21/1994WO1994016447A1 Reactor cavity seal joint
07/21/1994DE4317263A1 Wall for nuclear plant containment
07/19/1994US5330159 Apparatus for automatically inserting and removing screw-threaded elements into and from tapped bores
07/12/1994US5329099 Method of maintaining housing of reactor pressure vessel and heat treatment equipment therefor
07/06/1994EP0604715A1 Mechanically actuated plug
07/06/1994EP0604714A1 Steam line plug support tool
07/05/1994US5326540 Containment system for supercritical water oxidation reactor
06/1994
06/29/1994EP0604265A1 Replacement nozzle and method for replacing a nozzle in a pressure vessel
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