| 摘要 |
PROBLEM TO BE SOLVED: To remove foreign matters sticking to the surface to be processed of a work by supplying a foreign matter removing treatment liquid to a processing roller supported movably and arranged rotatably in the direction for running along the processing object surface of a work supported by a work support means, and pressing the processing roller to the processing object surface of the work. SOLUTION: After supplying nitric acid solution injected into a tray 64 to a processing roller 53 by driving a roller lifting cylinder 36, the processing roller 53 is pressed to a panel surface 2A by the pressing force of a spring to rotate the processing roller 53 by the driving of a roller rotating motor. At the same time, frits stuck to the panel surface 2A can be removed by the chemical action by the nitric acid solution and the polishing action by the processing roller 53, by making the processing roller 53 move along the panel surface 2A by driving of a roller moving motor 33. Removal work of the frits can be performed automatically.
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