| 摘要 |
PURPOSE:To speed up the execution and to reduce the number of execution processes by providing a hollow section, adhering a ceiling board to a base member coated with a perforated sheet and evacuating air from the hollow section to make the ceiling board adhere to the base member. CONSTITUTION:A base member 1 provided with a hollow section in the inside thereof and coated with a perforated sheet 4 on the surface thereof is placed on a ceiling, and a ceiling board 6 is made adhered to the surface of the base member 1 and, at the same time, the ceiling board 6 is made adhered to the base member 1 by evacuating air from the hollow section 2. The deflation is made by connecting a connection hose 7 of a vacuum pump 8 to a coupling hole 3 provided to the base member 1 and operating the vacuum pump 8. According to the constitution, the execution of the ceiling board 6 is speeded up and, at the same time, the number of execution processes can be reduced. |
