Patent Number: 055219519
Section: claims

1. A method for repairing a reactor core shroud having a circumferential crack at a predetermined elevation, comprising the steps of: forming a curved bracket with first and second circular holes;  machining a first circular hole in a first shroud section located at an elevation higher than said predetermined elevation, said first circular hole being located to align with said first circular hole formed in said bracket when said bracket is placed in a predetermined position relative to said shroud;  machining a second circular hole in a second shroud section located at an elevation lower than said predetermined elevation, said second circular hole being located to align with said second circular hole formed in said bracket when said bracket is in said predetermined position;  placing said bracket in said predetermined position outside said shroud with said respective first and second circular holes in alignment;  blindly installing first and second pin assemblies into said respective first and second circular holes of said bracket and said shroud by remote manipulation.  inserting first and second pin assemblies into said respective first and second circular holes of said bracket and thereafter into said respective first and second circular holes of said shroud, leaving a portion of said first and second pin assemblies protruding outside said shroud; and  remotely manipulating each of said portions of said first and second pin assemblies protruding outside said shroud to securely fasten said bracket to said shroud. 2. The method as defined in claim 1, wherein said blind installation comprises the steps of: 3. The method as defined in claim 2, wherein each of said remotely manipulated first and second pin assemblies is tensioned to exert a radially outwardly directed contact load on the cylindrical surface of said first and second circular holes respectively formed in said shroud.