| 摘要 |
The washing apparatus has a frame body to be filled with a cleaning liquid. The frame body is rotated within a casing by a drive motor. The frame body has an inner periphery having a wavy patterned surface. An inner diameter D of the frame body is set to more than or equal to 600 mm and less than or equal to 850 mm. The frame body is rotated so that a peripheral speed of the inner periphery is more than or equal to 28 m/min and less than or equal to 57 m/min. A height h of the wave form is set to more than or equal to 2.0% and less than or equal to 9.0% of the inner diameter D, and a pitch p of the wave form is set to more than or equal to 2.0% and less than or equal to 9.0% of a peripheral length L of an imaginary circle having a diameter of the inner diameter D.
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