SCREEN PRINTING METHOD

PURPOSE:To ensure that blotting, blurring and the like hardly occur at the time of printing and adapt a printing system to mass production, by adding a step of controlling the viscosity of an ink, in screen printing in a spontaneously dried type ink. CONSTITUTION:By providing an ink-hardening step w...

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Bibliographische Detailangaben
Hauptverfasser:	MURAKAMI SHIYUUICHI, SAITOU SUSUMU
Format:	Patent
Sprache:	eng
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS COLOUR PRINTING ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY LINING MACHINES MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PERFORMING OPERATIONS PRINTED CIRCUITS PRINTING PRINTING MACHINES OR PRESSES PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	PURPOSE:To ensure that blotting, blurring and the like hardly occur at the time of printing and adapt a printing system to mass production, by adding a step of controlling the viscosity of an ink, in screen printing in a spontaneously dried type ink. CONSTITUTION:By providing an ink-hardening step wherein a gas is blown from nozzles 6 to the back side of a screen 3 and air is blown from the lower side of an ink 5a, a solvent component at the part of the lower side 5c of the ink is evaporated, and the viscosity of the ink is raised. In this condition, printing is conducted in the same manner as in a conventional method. By controlling the capability of the device for hardening the ink, thickening of lines and blotting can be suppressed even when printing tact is sped up, and printing speed can be enhanced.