Screen cleaning apparatus and screen cleaning method

摘要: An apparatus for cleaning a screen of printing machine, including an ultrasonic vibrator which vibrates at frequency, cleaning-sheet supporting device supports portion or entirety porous sheet between the and vibrator, such that is contactable with washing-agent supplying supplies washing agent to sheet. contact surface contacting substrate when used effect on substrate, feeding wiping in form web having constant width, screen, feeds longitudinal direction thereof, pressing presses against moving moves one both unit device, relative each other, parallel screen.