| 摘要 |
PURPOSE: A pneumatic pressure type fastener is provided to continuously apply pneumatic pressure for firm fixation to a wall, and to improve working efficiency. CONSTITUTION: A pneumatic pressure type fastener includes a contact plate(11), a fixing pipe(12), and a fastening pipe(13). A through portion(112) is formed at the center of the contact plate. The fixing plate connected to the through portion is a hollow cylinder vertically extended from the contact plate. The fastening pipe is a hollow cylinder. One portion of the fastening pipe is extended inside the fixing plate, and the other portion of the fastening plate is extended outside the fixing plate. |
