Patent ID: 7596200
Filing Date: 2009-09-29
Classification: G21C,Y02E,Y10T

Abstract:
1. A clamp apparatus for repairing a riser brace assembly in a nuclear reactor, the riser brace assembly having an upper riser brace leaf and a lower brace leaf connected to a reactor pressure vessel pad on a wall of the nuclear reactor, comprising: a first clamp component including a central extension portion, a second clamp component including a slot portion, the extension portion engageable with the slot portion to provide alignment between the first and second clamp components, the first and second clamp components to be located between the upper riser brace leaf and the lower riser brace leaf of the riser brace assembly, a first plate connected to the first and second clamp components and configured to bear on an upper surface of the first clamp component, an upper surface of the second clamp component and a top surface of the upper riser brace leaf while the clamp apparatus is in use, and a second plate connected to the first and second clamp components so as to bear on an underside surface of the first and second clamp components wherein the first clamp component and the second clamp component include opposing recessed channels configured to grip the sides of the reactor pressure vessel pad.