Method and device for removing coatings on a metal structure

Cleaning and liquid contact with solids – Apparatus – Automatic controls

Reexamination Certificate

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Details

C134S0570DL, C134S0580DL, C219S221000, C219S602000, C148S567000

Reexamination Certificate

active

07857914

ABSTRACT:
A device for removing layers of corrosion and other coatings from a metal surface is disclosed. Said device includes a signal generator driving an induction coil that is positioned on the structure. A control unit includes a temperature sensor that senses the temperature in the metal structure. The control unit is adapted to control the power output of the signal generator in accordance with the temperature in the metal structure.

REFERENCES:
patent: 3345874 (1967-10-01), Carniol et al.
patent: 3743808 (1973-07-01), Kasper
patent: 4371271 (1983-02-01), Bellet
patent: 5938965 (1999-08-01), Madeira
patent: 6104252 (2000-08-01), Hofmann
patent: 6534767 (2003-03-01), Di Maio et al.
patent: 6759910 (2004-07-01), Ammar et al.
patent: 6794622 (2004-09-01), Alveberg et al.
patent: 19940732 (2001-03-01), None
patent: 19940732 (2001-03-01), None
patent: 0804050 (1997-10-01), None
patent: 2843316 (2004-02-01), None
Machine Translation: FR 2843316 to Chaty. Aug. 2002.
Machine translation of DE19940732A1 to Marthen; Jan. 3, 2001.
Norwegian Search Report for the counterpart foreign application No. 20064745, actual completion of the Norwegian Search date Apr. 5, 2007.
English translation of the abstract of German Patent Publication No. DE19940732.
English translation of the abstract of French Patent Publication No. FR2843316.

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