| 摘要 |
PROBLEM TO BE SOLVED: To provide a coating material supply system, whereby the precipitation of aggregate in a coating material transporting hose in the case the coating is not carried out is effectively prevented. SOLUTION: The coating material supply system possesses a syringe 4 provided with a discharge part 401, a piston 5, a coating material flow passage 6 formed in the piston 5, a coating material supply means 7, a 1st valve 8, a coating material transporting means 3 one end of which is connected to the discharge part 401 of the syringe 4, a spray gun 2, a circulation means 15 connected to the spray gun 2 and a 2nd valve 16. The spray gun 2 is provided with a circulation flow passage 201 one end of which is connected to the coating material transporting means 3 and another end of which is connected to the circulation means 15, a coating material ejecting part 202 connected to the circulation flow passage 201, and an opening and closing means 203 for the coating material ejecting part 202.
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