The coating method includes the intercoating step for spraying the intercoating paint over a substrate after undercoating, the intercoat drying step for drying the intercoat on the substrate, the overcoating step for spraying the overcoating paint over the dried intercoat on the substrate, and the overcoat...http://www.google.com.au/patents/US4919977?utm_source=gb-gplus-sharePatent US4919977 - Coating method
