Patent ID: 6179217
Filing Date: 2001-01-30
Classification: B05B,B08B

Abstract:
A coating method by the use of a rotary atomizing head type coating system including: a housing having a coating machine mounting portion on the front side and a cartridge mounting portion on the rear side thereof; a coating machine adapted to be mounted on said coating machine mounting portion of said housing, and having an air motor with a rotational shaft and a rotary atomizing head mounted on a front end portion of said air motor; a feed tube passage hole provided internally of and axially through said rotational shaft of said air motor, and having a front end opened into said rotary atomizing head and a rear end opened into said cartridge mounting portion of said housing; and a plural number of paint cartridges having paint of different colors filled in respective cylinders, and having a feed tube extended axially forward from a front end portion of said cylinder; characterized in that said coating method comprises:a paint cartridge loading step of loading a selected one of said paint cartridges, setting said paint cartridge cylinder in position in said cartridge mounting portion of said housing, and placing said feed tube of said paint cartridge in said feed tube passage hole;a coating step of supplying paint from the loaded paint cartridge to said rotary atomizing head being put in high speed rotation;a paint cartridge unloading step of unloading said paint cartridge from said housing after finishing a predetermined coating operation; anda washing step of supplying a washing fluid to the front side of said rotary atomizing head to wash away deposited residues of a previous color therefrom.