Patent ID: 7018682

Claim:
A method of repairing at least one defective area in at least one stoving lacquer coating comprising the steps of: (a) applying a pulverulent powder coating directly to at least one defective area, wherein said powder coating has a mean particle size ranging from about 1 to about 90 μm and comprises a heat-curable binder system selected from the group consisting of a self-crosslinking system and an externally crosslinked system; and (b) melting and curing the applied powder coating by irradiation for 1 to 300 seconds with near infrared radiation in the wave length range from about 760 nm to about 1500 nm emitted by a high-energy near infrared radiation radiator having a radiation density of more than 1 W/cm 2 to 15 MW/m 2 and operated at a radiator surface temperature of 2000 to 3000 K. to form a repaired area.