Two-tone coating method

A method for coating a work object in two tones, comprising:

• [A] a first color coating stage for coating a first color area on a coating surface of said work object with first color paint;
• [B] a border zone coating stage for coating a border zone with second color paint, by (1) positioning a rotary atomizing head of a sprayer unit at a predetermined distance to said work object and in an inclined state tilted toward said border zone, (2) supplying mist blocking air in a direction forward of said rotary atomizing head to block mist of said second color paint from scattering and flying toward a first color coating on said first color area, (3) without further supplying, in addition to the mist blocking air, shaping air that would further shape a spray pattern of said second color paint, (4) without applying high voltage to said second color paint, and (5) coating a border zone with said second color paint to paint a border line bounding on said first color area;
• [C] a belt zone coating stage for coating a belt zone with said second color paint, by (1) positioning a rotary atomizing head of a sprayer unit at a predetermined distance to said work object and in an inclined state tilted toward said belt zone, (2) supplying mist blocking air in a direction forward of said rotary atomizing head to block mist of said second color paint from scattering and flying toward a first color coating on said first color area, (3) applying no high voltage to paint, and (4) coating said second color paint on said belt zone continuously from said border zone coating on said border zone by putting said rotary atomizing head in a reciprocating pattern;
• and
• [D] a remainder area coating stage for coating said second color paint on remainder areas of said work object left subsequent to said belt zone coating stage.