| 摘要 |
PROBLEM TO BE SOLVED: To provide a display screen that assure a low fraction defective, when carrying manufacture of TV picture tubes, and a manufacturing apparatus of the screen. SOLUTION: In this display screen having a web equipped with KC fitting a front component and an explosion-proof frame and a molded seam, the molded seam is disposed at the side of KC face warped from the front component. This display screen is manufactured with a pressurizing tool with a pressurizing plunger, neck ring and lower part of the metal mold, and in the pressurizing tool, the neck ring does not more than form edge portion of the web warped from the front component, but the remaining web region and front component are formed from the lower part of the metal mold.
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