| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a smoke-fire wall with an incombustible transparent resin sheet stretched in a frame in which the occurrence of strain and looseness to the sheet are generally prevented for a long term.SOLUTION: A smoke-fire wall is characterized by: providing an elastic material 6 for applying a pressing force between the inside surfaces in a sheet end processing bar 4 stored in an opposed end of a case body 1 for inserting an end of an incombustible resin sheet 2; holding the end of the sheet 2 in the sheet end processing bar 4 by the pressing force of the elastic material 6, and providing metal fittings 6 having a chamber 6a opened inside and a chamber 6b opened outward to the side part 7 of the case body 1; rowing and storing holding metal fittings 8 of the sheet side part 7 in the chamber 6a opened inside; projecting a screw 10 provided at the bottom of the holding metal fittings 8 in the chamber 6b opened outward; and interposing a leaf spring 12 between a nut 11 of the screw 10 and a bottom wall 6c.</p> |
