| 摘要 |
PROBLEM TO BE SOLVED: To approximately equalize the color distribution of a pattern of each product when a multicolor pattern is made by spraying coating materials of different colors. SOLUTION: In this device, supply quantities per unit time of coating materials 9, 10, 11 of respective colors respectively supplied by fixed delivery pumps 30, 31, 32 are changed at every migration quantity of a spray gun 7 toward a coating surface of an object to be sprayed 80. Further, distribution ratio of each color of multicolor mottled pattern formed on a surface of the object to be sprayed 80 is changed. Since the supplied coating materials 9, 10, 11 of respective colors are always maintained at a definite temperature by line heaters 33, 34, 35, viscosities of respective coating materials are constant and supply quantities of respective coating materials are determined by delivery quantities of the fixed delivery pumps 30, 31, 32. Thus, distribution ratio of each color is equalized at the respective same positions of plural objects to be sprayed 80.
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