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Class Information
Number: 976/DIG.264
Name: Nuclear technology > Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor (e.g., within its pressure vessel) [g21c-19/00] > Arrangements for removing jammed or damaged fuel elements or control elements; arrangements for moving broken parts thereof [g21c-19/26]

Patents under this class:

Patent Number Title Of Patent Date Issued
5011206 Device for extracting foreign pieces or particles from fuel assemblies of a nuclear reactor Apr. 30, 1991
4986955 Device for removing peripheral fuel rods from a fuel assembly of a nuclear reactor Jan. 22, 1991
4814138 Method for repairing a nuclear reactor fuel assembly and a replacement rod for performing the method Mar. 21, 1989
4756656 Sectional device handling tool Jul. 12, 1988
4724607 Apparatus for rebuilding nuclear fuel assemblies Feb. 16, 1988
4715111 Remote repair system for nuclear fuel rod assemblies Dec. 29, 1987
4683109 Debris removal system for a nuclear fuel assembly Jul. 28, 1987
4643472 Rapid installation tube gripper Feb. 17, 1987
4639998 Locking tube removal and replacement tool and method in a reconstitutable fuel assembly Feb. 3, 1987
4639993 Nuclear fuel rod loading fixture for use in a remote repair system Feb. 3, 1987
4638556 Locking tube insertion fixture and method in a reconstitutable fuel assembly Jan. 27, 1987
4590671 Tool for removing split pin remnants from a nuclear reactor vessel May. 27, 1986
4522780 Removal and replacement of fuel rods in nuclear fuel assembly Jun. 11, 1985
4366617 Plug removal apparatus Jan. 4, 1983
4336103 Method of repairing partly burnt-off fuel elements in the fuel-element pit pressurized water reactors and device therefor Jun. 22, 1982
4259153 Device for removal of fuel assemblies and cans of control and safety system from core of nuclear reactor Mar. 31, 1981
4243484 Method and apparatus for use to exchange O-ring interposed between in-core housing and in-core flange in nuclear reactor Jan. 6, 1981
4006930 Manipulator for hollow objects Feb. 8, 1977

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