| 摘要 |
A wiping pad includes: a scraping edge provided to cross a long side direction of a discharge port and come into contact with the discharge port and nozzle side surfaces, and a lead-out passage provided ahead of the scraping edge in a moving direction along a nozzle long side direction to drain a treatment solution scraped away with the scraping edge, wherein the lead-out passage is a V-shaped groove formed along the moving direction on a pad upper surface side, and the V-shaped groove has the scraping edge formed at a rear end edge portion thereof and is formed to gradually increase in groove width and depth toward a front thereof from the scraping edge. |
