Patent ID: 6678936
Filing Date: 2004-01-20
Classification: B05D,B62D,Y10T

Abstract:
A vehicle body coating method for an automobile, comprising the steps of:preparing a first precoat metal sheet having a rust-preventive layer and a first organic coat containing a lubricating component formed in that order on both surfaces of a first base metal sheet, the first precoat metal sheet further having a second organic coat containing a lubricating component and formed on the first organic coat on only one side of the first base metal sheet; preparing a second precoat metal sheet having a rust-preventive layer and a third organic coat containing a lubricating component formed in that order on both surfaces of a second base metal sheet; press-forming said first precoat metal sheet into plural exterior members, including a bonnet, a trunk lid, doors and fenders, which constitute an outside of a vehicle body, in such a manner that said second organic coat of the first precoat sheet metal forms an obverse surface of each of the exterior members; press-forming said second precoat-metal sheet into plural inside members, including a floor panel and an inner panel, which constitute an inside of the vehicle body, and joining the inside members to produce a chassis for an automobile; joining the exterior members to the chassis with the obverse surfaces of the respective exterior members facing outward; and performing overcoating on only the obverse surfaces of the exterior members joined to the chassis.