发明公开
EP3165364A1 ELECTROSTATIC SCREEN PRINTER 审中-公开
静电屏幕打印机

ELECTROSTATIC SCREEN PRINTER
摘要:
An electrostatic screen printer 10 includes: an electrically conductive screen 6 arranged in non-contact with a printing medium; a first sponge 1 and a second sponge 2 (hereinafter "the sponges 1, 2") configured to rub a powder 7 into the screen 6; and a direct current power source configured to apply a voltage to the printing medium and the powder 7, wherein the powder 7 rubbed into the screen 6 is adhered to the printing medium by electrostatic induction. The electrostatic screen printer 10 includes a rotation mechanism 5 for rotating the sponges 1,2, a parent revolution mechanism 3 for parent revolution of the sponges 1, 2, and a child revolution mechanism 4 for child revolution of the sponges 1,2. The revolution speed ratio of the child revolution to the parent revolution (ωc/ωp) may preferably be 4.0 or greater, a scraper 34 is provided on the parent revolution mechanism 3 so as to be interlocked with the revolution of the sponges 1,2, and the scraper 34 is arranged so as to scrape the powder 7 on the screen 6 toward an axis Op of the parent revolution because of the interlocking.
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