Repair fixture

US4684492A · kind A · utility

Assignee

• Kraftwerk Union Aktiengesellschaft · DE

Inventors

• Rainer Kunz · Wulfen, DE
• Jakob Stauner · Nürnberg, DE
• Robert Weber · Uttenreuth, DE

Key dates

• Filing date: May 17, 1985
• Grant date: Aug 4, 1987
• Expiry date: May 17, 2005

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T137/71
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A repair fixture for water-cooled nuclear reactors including an openable reactor pressure vessel having a wall, and conduits passing through the pressure vessel wall for flooding the pressure vessel, includes a sealing box disposed in the opened, flooded pressure vessel, a device connected to the sealing box for pressing the sealing box liquid-tightly against the pressure vessel wall enclosing at least some of the conduits, and a device connected to the sealing box for evacuating the conduits enclosed by the sealing box.