| 摘要 |
The present invention relates to a bolt fixing structure, a bolt fixing method, and a building outer panel fixing apparatus provided with the structure. The bolt fixing structure comprises: a metal plate; and a bolt forced into the metal plate. The bolt comprises: a polygonal bolt head; a bar-shaped bolt shaft extending from the polygonal bolt head; a threaded portion composed of threads formed around the bolt shaft; and an anti-rotation portion disposed between the polygonal bolt head and the threaded portion, and composed of a plurality of protrusions. According to the present invention, it is possible to firmly fix an outer panel of a building made of a metal plate to an outer surface of the building to enhance a building′s appearance, and to shorten a time to combine constitutional parts. |
