Patents for G21C 21 - Apparatus or processes specially adapted to the manufacture of reactors or parts thereof (1,254) |
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08/10/1988 | EP0277708A2 Pellet fabrication |
08/09/1988 | US4762665 Automatic stacking; monitoring length, adjustment; nuclear fuel pellets |
08/02/1988 | US4760637 Reduced stress fuel assembly fabrication apparatus and method |
07/05/1988 | US4754866 Apparatus for controlling the conveyance of articles |
06/07/1988 | US4748798 Apparatus for automatically loading nuclear fuel pellets |
06/01/1988 | EP0268814A2 Spherical fuel element for a high-temperature reactor, and method for producing it |
06/01/1988 | EP0268807A2 Nuclear fuel assembly bottom nozzle attachment system allowing reconstitution |
06/01/1988 | DE3740591A1 Method for the production of a fuel arrangement having wire spacing elements |
05/31/1988 | US4747997 Rod gripper which avoids snagging grid dimples during rod loading |
05/25/1988 | EP0268494A2 Gripper assembly for inserting and removing burnable absorber rods and thimble plugs in a nuclear reactor fuel assembly |
05/17/1988 | US4744922 Neutron-absorbing material and method of making same |
04/26/1988 | US4740351 Method of and arrangement for protecting nuclear fuel assembly |
04/19/1988 | US4738821 Reconstitutable nuclear fuel assembly having locking tubes with dimples |
04/19/1988 | US4738820 Adaptor plate attached to guide thimble bottom end-plug with two-headed bolt |
03/31/1988 | DE3633267A1 Method for manufacturing a metallic coolant loop for a nuclear reactor |
03/08/1988 | US4729867 Spring retainer apparatus and method for facilitating loading of fuel rods into a fuel assembly grid |
02/24/1988 | EP0256766A2 Nuclear fuel pin fabrication |
01/07/1988 | EP0251317A2 Spring retainer apparatus for facilitating loading of fuel rods into a nuclear fuel assembly |
12/01/1987 | US4709848 Bonding reactor core plates and sheets of clad metal, acid dissolvable filler plates, high heat, pressure |
11/17/1987 | US4707326 Sleeve member with each cuide thimble |
11/10/1987 | US4705577 Nuclear fuel element containing low-enrichment uranium and method for producing same |
11/04/1987 | EP0244278A1 Method for loading a rod bundle of a nuclear fuel assembly into a canister, and installation to carry out this method |
10/20/1987 | US4700824 Manufacturing installation with several fixed work posts and a handling device |
10/13/1987 | US4699761 Integral reusable locking arrangement for a removable top nozzle subassembly of a reconstitutable nuclear fuel assembly |
10/06/1987 | CA1227634A1 Rotary calcining system with cleaning means |
09/16/1987 | EP0237011A2 Apparatus and method for loading pellets into fuel rods |
09/08/1987 | US4692304 Removable and reusable locking pin for top nozzle assembly and disassembly |
08/18/1987 | US4687605 Pelletization |
08/04/1987 | US4684498 Guide thimble captured locking tube in a reconstitutable fuel assembly |
07/29/1987 | EP0230172A1 Gripper device for a rod bundle of a nuclear fuel assembly |
07/21/1987 | US4680920 Device for moving nuclear fuel element sheaths at a fixed filling station |
07/14/1987 | US4679377 Apparatus for applying an end plug to an end of a fuel rod tube |
06/16/1987 | US4672791 Apparatus for applying an end plug to an end of a fuel rod tube |
06/03/1987 | EP0224413A1 Process for recycling nuclear fuel pellets previously irradiated in a fast neutrons nuclear reactor |
06/02/1987 | US4670198 Binder system for the manufacture of nuclear fuel pellets, and the method and product thereof |
05/27/1987 | EP0223377A2 Apparatus for controlling the conveyance of articles |
05/27/1987 | EP0223376A2 Method and apparatus for automatically stacking of elements |
05/27/1987 | EP0223200A2 Fuel bundle assembly machine |
05/26/1987 | US4668444 Process for the production of isotrophic spherical fuel or absorber elements for high temperature reactors |
05/19/1987 | US4666639 Process for the production of spherical fuel elements |
05/05/1987 | US4663510 Method for assembling a nuclear reactor fuel element |
05/05/1987 | US4662051 Apparatus for applying an end plug to an end of a fuel rod tube |
04/28/1987 | US4660270 Apparatus and method for applying an end plug to a fuel rod tube end |
04/28/1987 | CA1220935A1 Method and tunnel furnace for sintering blanks |
04/21/1987 | US4659537 A skeleton; guide tubes, fuel rods maintained by grids between end pieces |
04/07/1987 | US4655978 Method and tunnel furnace for sintering blanks |
03/31/1987 | US4653180 Tool for producing a nuclear reactor fuel assembly |
03/24/1987 | US4651880 Calibrating distributor of cylindrical members |
03/24/1987 | US4651403 Apparatus and method for loading fuel rods into grids of a fuel assembly |
03/19/1987 | DE3532241A1 Conveying device for conveying workpieces between two processing areas |
03/17/1987 | US4649632 Fuel bundle assembly machine |
03/03/1987 | US4647405 Ceramics, group 4 metal diboride, agglomeration, dispersion, electroconductivity |
03/03/1987 | US4646414 Device for gripping and detaching a top nozzle subassembly from a reconstitutable fuel assembly |
02/24/1987 | US4645639 Force limiting magnetic assembly for moving stacked fuel pellets between work stations |
02/17/1987 | US4643873 Gas phase reaction of uranium hexafluroide with steam and hydrogen, then mechanical attrition of product |
02/10/1987 | US4642016 Apparatus for unloading nuclear fuel pellets from a sintering boat |
02/10/1987 | US4641408 Plugger guide for aligning an end plug and a fuel rod tube end |
02/03/1987 | USH209 Differential pressure pin discharge apparatus |
02/03/1987 | US4640407 End plug orientation device |
01/07/1987 | EP0207801A2 Cathode/ground shield arrangement in a target for a sputter coating apparatus |
01/07/1987 | CN86104429A Improved cathode/ground shield arrangement in a sputter coating apparatus target |
01/07/1987 | CN86102042A Arrangement for loading fuel rods into grids of a fuel assembly |
01/06/1987 | US4634571 Process for the production of plate-shaped fuel elements for research reactors |
12/23/1986 | US4631167 Welds made before installing rods; hexagonal tube for rod bundle |
12/16/1986 | US4628581 Apparatus and method for preassembling a top nozzle subassembly for a nuclear reactor fuel assembly |
12/02/1986 | US4625396 Pattern fuel assembly loading system |
11/12/1986 | EP0200988A1 Rod pulling tool assembly |
11/12/1986 | CN86102031A Guide thimble captured locking tube in a reconstitutable fuel assembly |
11/05/1986 | CN86101874A Device and method for gripping and detaching a top nozzle subassembly from a reconstitutable fuel assembly |
10/29/1986 | EP0199043A1 Device for gripping and detaching the top nozzle subassembly from a reconstitutable fuel assembly |
10/08/1986 | EP0196610A1 Guide thimble captured locking tube in a reconstitutable fuel assembly |
10/08/1986 | EP0196609A1 Arrangement for loading fuel rods into grids of a fuel assembly |
09/16/1986 | US4612159 Nuclear fuel element and process for fabricating the same |
09/16/1986 | CA1211344A1 Method of manufacturing cladding tubes of a zirconium- based alloy for fuel rods for nuclear reactors |
09/10/1986 | CN86101285A Manufacturing automation system for nuclear fuel rod production |
09/10/1986 | CN86100680A Apparatus and method for preassembling a top nozzle subassembly for a nuclear reactor fuel assembly |
09/09/1986 | US4610893 Method of manufacturing an absorber plate for a boiling water reactor |
09/03/1986 | EP0193461A1 Cylindrical elements gauging distributor |
08/27/1986 | EP0192137A2 Manufacturing automation system for nuclear fuel rod production |
08/14/1986 | WO1986004729A1 Device for sheathing fuel pellets |
07/30/1986 | EP0189133A2 Apparatus and method for preassembling a top nozzle subassembly for a nuclear fuel assembly |
07/16/1986 | EP0187268A1 Pattern fuel assembly loading system |
07/08/1986 | CA1207299A1 Tray loader method and apparatus for nuclear fuel pellets |
05/06/1986 | US4587394 Device and method of welding nuclear fuel assembly structural elements |
05/06/1986 | CA1204229A1 Nuclear fuel element and process for fabricating the same |
04/15/1986 | CA1203288A1 Gas tungsten arc welder |
04/09/1986 | EP0176727A1 Method of manufacturing spherical fuel elements |
03/18/1986 | US4576654 Heat treated tube |
03/04/1986 | US4573847 Nuclear fuel rod channel tray loading system |
02/11/1986 | US4570051 Enclosing a gas in a nuclear reactor fuel rod |
02/11/1986 | US4569623 Dump assembly |
02/11/1986 | CA1200475A1 Heat treated tube |
01/28/1986 | US4566989 Burnable neutron absorbers |
01/28/1986 | US4566835 Nuclear fuel pellet sintering boat loading system |
01/21/1986 | US4565670 Heat treating apparatus using microwaves |
01/14/1986 | US4564498 System for the analysis of nuclear fuel rods |
01/02/1986 | EP0166256A2 Apparatus for coating nuclear fuel pellets with a burnable absorber |
12/24/1985 | US4560462 Rotatable drum, enclosed pallet having screened parts, sputtering machine |
12/17/1985 | US4558982 Evacuate and backfill apparatus and method |
12/17/1985 | US4558504 Process for fabricating nuclear reactor fuel assemblies for light water nuclear reactors |