Patents for G21C 21 - Apparatus or processes specially adapted to the manufacture of reactors or parts thereof (1,254) |
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01/27/1998 | US5711826 Spraying a porous preform with zirconium alloys of different composition to form a multilayer structure, consolidation, cross-section reduction, heat treatment |
01/14/1998 | CN1170473A Manufacturing ceramic articles |
12/23/1997 | US5700988 Device for fixing in a fluid tight manner a through tube in a dome-shaped wall of a component of a nuclear reactor |
12/16/1997 | US5699393 Fuel assembly loading installation |
11/06/1997 | WO1997040659A1 Fuel boxes and a method for manufacturing fuel boxes |
11/04/1997 | US5684845 Multi-axis spacer grid keying fixture |
10/29/1997 | CN1036255C Apparatus for welding structural components of nuclear fuel assembly |
10/23/1997 | WO1997039455A1 Process for fabricating a nuclear fuel rod cladding |
10/23/1997 | CA2251133A1 Process for fabricating a nuclear fuel rod cladding |
10/14/1997 | US5677937 Fuel element for pressurized-water reactor with guide tubes finally heat-treated in two steps |
10/01/1997 | EP0797828A1 Manufacturing ceramic articles |
09/17/1997 | EP0795876A2 Apparatus and methods for sealing end plugs for nuclear fuel rods |
09/10/1997 | EP0701734B1 Fission products retaining nuclear fuel |
08/05/1997 | US5654993 Fuel element for pressurized--water reactor with guide tubes finally heat-treated in two steps |
06/24/1997 | US5642390 Uranium-containing nuclear-fuel sintered pellet |
05/07/1997 | EP0772204A1 Method of producing nuclear fuel pellet |
04/23/1997 | EP0714547B1 Plant for loading fuel assemblies |
04/17/1997 | WO1997014155A1 Apparatus for inspecting nuclear fuel assemblies |
04/15/1997 | US5620536 Forging, rolling, extruding, heat treating zirconium or alloy to form inner and outer billets to form tube blank, causing beta phase transformation within first component |
03/26/1997 | EP0674800B1 Manufacture of zirconium cladding tube with internal liner |
03/11/1997 | US5609057 Method and system for in-line detection of moisture in uranium-containing powders |
03/06/1997 | DE19532813A1 Molybdenum-free sintered nuclear fuel pellets |
03/05/1997 | EP0760519A1 Process for manufacturing nuclear fuel pellets based on (U,PU)02 with addition of an organic sulphur compound |
02/25/1997 | US5606583 Guide tube for a nuclear fuel assembly, and a method of manufacturing such a tube |
01/15/1997 | EP0671988B1 Method of manufacturing a filter plate for the foot of a nuclear-fuel element, and a fuel element fitted with such a filter plate |
01/09/1997 | WO1997001175A1 Apparatus for handling nuclear fuel rods |
12/03/1996 | US5581589 Method and apparatus for producing gel particles |
11/12/1996 | US5574761 Fuel channels with off-centerline welds |
10/01/1996 | CA2172905A1 Sleeve for installation in a parent tube by means of a sleeve expander |
09/25/1996 | CN1131998A Plant for loading fuel assemblies |
09/15/1996 | CA2144613A1 Tool for remotely removing and inserting a spring clip |
08/07/1996 | EP0725155A2 Precipitation hardening type single crystal austenitic steel, and usage the same |
08/01/1996 | WO1996023309A1 Control rod for monitoring the reactivity of a reactor core of a nuclear power station, use of the control rod in a boiling water reactor and process for producing a control rod |
07/30/1996 | US5540001 Device for removing dust from nuclear fuel pellets |
07/04/1996 | DE19546961A1 Prepn. of large particle diameter nuclear fuel powder |
07/03/1996 | CN1125995A Fission product retaining nuclear fuel |
07/02/1996 | US5533077 Method for preventing scratches on fuel rods during fuel bundle assembly |
06/26/1996 | CN1032124C Equipment and unit for welding by laser fuel rods or like |
06/20/1996 | WO1996018999A1 Manufacturing ceramic articles |
06/20/1996 | CA2206531A1 Manufacturing ceramic articles |
06/19/1996 | CN1032048C Equipment for drilling and/or closing off by laser the seal weld hole of fuel rod |
06/05/1996 | EP0714547A1 Plant for loading fuel assemblies |
05/14/1996 | US5517540 Two-step process for bonding the elements of a three-layer cladding tube |
05/14/1996 | US5516999 Process and device for fixing in a fluidtight manner a through tube in a dome-shaped wall of a component of a nuclear reactor |
05/07/1996 | US5514306 Process to reclaim UO2 scrap powder |
04/30/1996 | US5513230 Fuel rod for a nuclear reactor and welding apparatus for producing the fuel rod |
04/17/1996 | EP0706706A1 Fuel element for pressurized-water reactor with guide tubes finally heat-treated in two steps |
04/16/1996 | US5509039 Automatic pellet stack length recording switch |
03/20/1996 | EP0701734A1 Fission product retaining nuclear fuel |
02/06/1996 | US5489184 Pellet loader |
01/03/1996 | EP0690454A1 Method for fabricating mixed oxide fuel |
12/27/1995 | EP0689210A1 Spring retention system for upper tie plate and fuel bundle channel in a nuclear reactor assembly |
11/21/1995 | US5469481 Method of preparing fuel cladding having an alloyed zirconium barrier layer |
11/07/1995 | US5465281 Insulated protective coating for mitigation of stress corrosion cracking of metal components in high-temperature water |
10/13/1995 | CA2144614A1 Spacer insertion tool |
10/12/1995 | CA2145895A1 Insulated protective coating for mitigation of stress corrosion cracking of metal components in high-temperature water |
10/04/1995 | EP0674800A1 Manufacture of zirconium cladding tube with internal liner. |
09/28/1995 | DE19509049A1 Nuclear fuel cladding tube mfr. |
09/28/1995 | DE19509046A1 Three=layer nuclear fuel cladding tube mfr. |
09/20/1995 | EP0671988A1 Method of manufacturing a filter plate for the foot of a nuclear-fuel element, and a fuel element fitted with such a filter plate. |
09/19/1995 | US5450943 Apparatus for handling elongate articles |
09/13/1995 | CN1108420A A guide tube for a nuclear fuel assembly, and a method of manufacturing such a tube |
09/05/1995 | US5448034 Weld shape control system for TIG welding of small pressurization hole |
08/24/1995 | DE4401603A1 Mfr. of fuel assembly lattice members incorporating deflector vanes. |
08/23/1995 | CN1107248A Loading nuclear fuel pellets into cladding tubes |
07/25/1995 | US5436946 Spring retention of upper tie plate and fuel bundle channel in a nuclear reactor assembly |
07/18/1995 | US5434897 Cladding, nuclear fuels |
07/05/1995 | EP0661719A1 Guide tube for nuclear fuel assembly and fabrication process for such a tube |
06/16/1995 | CA2137964A1 Shipping shim for nuclear reactor fuel assemblies |
06/13/1995 | US5425071 Loading nuclear fuel pellets into cladding tubes |
05/30/1995 | US5420899 Grapple for a fuel bundle channel |
04/26/1995 | EP0650168A1 Method for preventing scratches on fuel rods during fuel bundle assembly |
03/30/1995 | CA2133014A1 Method and system for in-line detection of moisture in uranium-containing powders |
03/30/1995 | CA2132580A1 Urania-rare earth composition and articles formed therefrom |
03/28/1995 | US5401933 Method for welding of end plug of control rod |
03/28/1995 | US5400498 Apparatus for removing keys from support grid |
03/14/1995 | US5398264 Grid welding fixture for a spacer grid |
03/07/1995 | US5396526 Apparatus for removing keys from support grid |
03/02/1995 | WO1995006318A1 Plant for loading fuel assemblies |
02/16/1995 | WO1995004994A1 Sintered compact made of uranium-containing nuclear fuel |
02/14/1995 | US5390218 Process for preparing a fuel pellet for nuclear reactor |
01/31/1995 | US5386444 Fuel rod loading apparatus |
01/26/1995 | DE4324286A1 Process for producing homogeneous metal mixtures containing zirconium and actinide elements with or without lanthanide elements |
01/25/1995 | EP0635846A1 Method for manufacturing nuclear fuel pellet |
01/18/1995 | EP0634752A1 Method for making fuel cladding having zirconium barrier layers |
01/17/1995 | US5383228 Method for making fuel cladding having zirconium barrier layers and inner liners |
01/12/1995 | WO1995001639A1 Fuel element for pressurized-water reactor with guide tubes finally heat-treated in two steps |
01/03/1995 | US5377532 Method and system for in-line detection of moisture in uranium-containing powders |
12/27/1994 | US5377236 Method and apparatus for measuring rod end squareness |
12/27/1994 | US5375756 Apparatus for assembling and welding final end plugs to nuclear fuel-containing cladding tubes and inspecting the welds, all on an automated basis |
12/22/1994 | WO1994029874A1 Fission product retaining nuclear fuel |
12/20/1994 | US5374800 Method for welding of fuel rod |
12/07/1994 | EP0627743A1 Inserting an end plug into a fuel pin cladding tube |
12/06/1994 | US5369866 Method for insertion or removal of fuel rods into or from a grid of a nuclear fuel assembly |
11/30/1994 | EP0626465A1 Dimensionally stable and corrosion-resistant fuel channels and related method of manufacture |
11/30/1994 | EP0626464A1 Dimensionally stable and corrosion-resistant fuel channels and related method of manufacture |
11/17/1994 | EP0624883A1 Sealing process and device for a feedthrough tube in a convex wall of a nuclear reactor component |
11/13/1994 | CA2123381A1 Process and device for fixedly sealing pipes through bulged walls of a nuclear reactor component |
11/01/1994 | US5361282 Dimensionally stable and corrosion-resistant fuel channels and related method of manufacture |
10/25/1994 | US5359633 Assembly method and grid for nuclear fuel assembly |