| 摘要 |
PROBLEM TO BE SOLVED: To provide a spherical screen which achieves a smooth screen surface having no joint, while it is easily folded, its portability is enhanced by decreasing accessories such as a suction pump, and it flexibly copes with circumstances around installation place to some extent, and to provide a screen device. SOLUTION: The spherical screen 1 includes a foldable ring-like form frame body 2, a semi-spherical film body for a screen 3, a rear surface film body 4, and a locking tool 5. The film peripheries of the semi-spherical film body for the screen 3 and the rear surface film body 4 are attached to a radial direction of the form frame body 2 in this order in a hermetically sealed state, the locking tool 5 is provided at an optional spot of the rear film body 4, and an air amount adjusting valve 7 is attached thereto. COPYRIGHT: (C)2010,JPO&INPIT
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