Patent ID: 8371025

Claim:
An apparatus for repairing a damaged area in an underwater wall region of one of a vessel and a pool, including the underwater wall region of a pool in a nuclear reactor plant, the apparatus comprising: a carriage; a displaceably mounted holder disposed on said carriage, said holder configured for holding a repair overlay having an adhesive surface for placement against the damaged area of the underwater wall region; and a guidance system for being attached and fixed exclusively to a side wall having the damaged area to be repaired with the overlay and at a distance from the side wall, said guidance system configured for receiving said carriage thereon after being attached and fixed to the side wall and for guiding said carriage, said carriage being displaceable in a longitudinal direction of said guidance system for guiding said holder with the repair overlay to the damaged area of the underwater wall region; said holder containing a punch displaceable in a guided manner transversely to the longitudinal direction of the guidance system.