Patent ID: 6375230
Filing Date: 2002-04-23
Classification: F16L,G21C,Y02E,Y10T

Abstract:
A clamp assembly for preventing separation of a thermal sleeve penetrating a nuclear reactor pressure vessel wall and a jet pump riser elbow at a connection between one another, comprising:a pair of clamp heads each having a generally semi-cylindrical surface defining a recess opening along one side thereof for disposition about confronting ends of the sleeve and the elbow adjacent the connection therebetween; each said head including generally axially spaced first and second sets of clamping pins projecting inwardly from said semi-cylindrical recess; and fasteners for clamping the heads to one another on diametrically opposite sides of and about the connection between the sleeve and elbow with the pins receivable in holes in respective sleeve and elbow ends for precluding separation of the sleeve and riser elbow should the connection therebetween fail; said pins having male threaded portions and said heads having female threaded apertures opening inwardly from said surface whereby said pins are threaded to said heads.