| 摘要 |
PURPOSE:To curve a sheet material for a shadow mask to a stable state and to prevent the corrosion of roller supporting parts for supporting rollers, i.e., supporting bases, shafts and sliding shafts by positioning said roller supporting parts upper than a hot water injecting device. CONSTITUTION:A shadow mask device has the roller supporting parts 13, a pair of the rollers 2, 3 which curve upward and hold the sheet material 1 for the shadow mask supported to the parts 13 and the injecting device 14 which injects hot water to the material 1. The supporting parts 13 are positioned upper than the device 14.
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