| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an opening/closing device for a skylight which opens/closes the skylight through opening/closing a sheet covering the skylight set on the roof of a plastic film house, and which is so designed as to hardly retain-water on the sheet; and to provide a sheet assembly for the device. <P>SOLUTION: The opening/closing device for the skylight of the plastic film house has the following structure: the upper side of the sheet 12 covering the skylight 6 is fixed to the higher side of the skylight 6; the lower side of the sheet is joined to a roll core 14 via a net 16; rainwater flows down to the lower side of the sheet 12 through meshes of the net 16 without being banked up by the roll core 14 at the lower side of the sheet 12 when water such as the rainwater flows on the sheet 12 while the sheet 12 covers the skylight 6. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
