| 摘要 |
A duct for protection of distributing wires installed at building room is provided to prevent damage of cover in spite of separately not keeping cover in working by connecting one-side wall of supporting plate with one end of cover by hinge part. A duct for protection of distributing wires installed at building room is manufactured by injection molding a supporting plate(100) and a cover(200) into hard synthetic resin material. The supporting plate has a distributing wire receiving part by both side walls(110, 120) and a bottom plate. The cover is coupled on the supporting plate. One-side wall of the supporting plate and one end of the cover is connected by hinge part(300) injected to soft synthetic resin material. A locking part(121) and a locking groove(122) is formed in the other side wall of the supporting plate. |
