The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 10, 1987
Filed:
May. 24, 1984
John M Shallenberger, O'Hara Township, Allegheny County, PA (US);
Stephen J Ferlan, Wilkins Township, Allegheny County, PA (US);
Westinghouse Electric Corp., Pittsburgh, PA (US);
Abstract
A method for reconstituting a nuclear reactor fuel assembly having its top nozzle adapter plate welded to its control rod guide thimble sleeves. Circumferentially cut the sleeves from the adapter plate below the weld. Separate the top nozzle from the cut sleeve 5. Obtain a modified top nozzle refashioned with a groove in its adapter plate control rod passageways. Insert the cut sleeves in the passageways of the modified top nozzle. Circumferentially bulge the sleeves into the grooves. A system for attachment of the top nozzle to the sleeves employing the above-described circumferential bulge and groove attachment.