| 摘要 |
PROBLEM TO BE SOLVED: To provide a screen printing machine having a cleanin mechanism for coating a cleaner sheet with a solvent while controlling the quantity thereof constantly. SOLUTION: The screen printing machine equipped with a mechanism for cleaning a screen plate 1 by moving a cleaner squeegee 11 in one direction parallel with the screen plate 1 while pressing the upper surface of a cleaner sheet 8 against the lower surface of the screen plate 1 by means of the cleaner squeegee 11 comprises a stripe slit nozzle 23, a liquid reservoir 24 disposed at the upper side part of the slit nozzle 23 in parallel therewith while communicating with the slit nozzle 23 through a dam part 25, a solvent supply pipe 27 disposed above the liquid reservoir 24, and a solvent coating nozzle 21 arranged such that the solvent flowing over the dam part 25 is delivered from the slit nozzle 23.
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