| 摘要 |
PURPOSE:To prevent clogging of a nozzle by coating the inner wall surface of a housing part of coating material with polytetrafluoroethylene (hereinafter PTFE). CONSTITUTION:The whole inner wall of a housing part 4 is coated with PTFE and coating material 12 falls down to the lower part without being stuck on the inner wall of the housing part 4 even when coating material 12 is brought into contact with the inner wall. A coater 1 is actuated and coating material can be applied to the arbitrary position and also effectively utilized. It is not caused that the coating material 12 is dried on the inner wall surface and therefore a nozzle 6 is clogged and the concn. of the coating material 12 in application is changed. |
