Repair method for textured and/or smooth steel surfaces on...

Details Repair method for textured and/or smooth steel surfaces on... Repair method for textured and/or smooth steel surfaces on...

2005-05-03

2005-05-03

King, Roy (Department: 1742)

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Repairing

C205S211000, C205S259000

Reexamination Certificate

active

06887366

ABSTRACT:
A method for touching up and/or repairing minor surface damage in a large-format pressing plate or an endless strip3made of steel sheet, with a textured surface4,for surface embossing of wood materials or laminate panels, has the damaged surface subjected to microgalvanic treatment. In order to simply repair the damage locations and to allow a longer tool life of the pressing sheets, it is provided, that an electrolyte solution that contains metal ions and iron is used, which is coordinated with the base material of the pressing plate or the endless strip3.This yields the particular advantage that no color deviations are formed as compared with the damaged locations and that a conventional chromium-plating process can be used. Thus the damaged locations2are not washed out and thereby become visible again, during subsequent touch-up chromium-plating, because of the electrolyte used.

REFERENCES:
patent: 4738756 (1988-04-01), Mseitif
patent: 4834844 (1989-05-01), Pliefke et al.
patent: 6146516 (2000-11-01), Lettmann
patent: 8129270 (1982-10-01), None
patent: 195 48 198 (1997-03-01), None
patent: 14548198 (1997-07-01), None
patent: 0 031 613 (1981-07-01), None
patent: WO9004052 (1990-04-01), None
Taschenbuch für Galvanotechnik (Pocket book for galvanotechnology), vol. 1, 1988, p. 472 (to follow).
Schriftenreihe Galvantechnik, “Das Tampongalanisieren”, by von Dr. Marvin Rubinstein (pp. 138-162).

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