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この意匠に係わる物品は、共同溝やトンネル等のコンクリート構造物に、電力・通信ケーブル等を配設するブラケット等を固定するためのもので、使用状態を示す参考図のように、コンクリート構造物に表面を露出して内部に埋め込むことにより、その構造物表面にねじ穴を形成し、該ねじ穴に設けられた雌ねじにボルトを挿入螺合して、例えば、該ボルトでブラケット等を固定し、電力・通信ケーブル等を配設したり、あるいは、橋梁架設等の足場を取り付けたりするものである。Articles related to this design are for fixing brackets, etc. for laying electric power and communication cables, etc. to concrete structures such as utility tunnels and tunnels. A screw hole is formed in the surface of the structure by exposing the surface and embedding it inside, and a bolt is inserted and screwed into the female screw provided in the screw hole to fix a bracket or the like with the bolt. , power and communication cables, etc., or scaffolding for bridge construction.