JPH0272618U

JPH0272618U -

Info

Publication number: JPH0272618U
Application number: JP15192288U
Authority: JP
Priority date: 1988-11-22
Filing date: 1988-11-22
Publication date: 1990-06-04

Description

[Brief explanation of drawings]

第１図は要部を示す一部切欠斜視図、第２図は
平面図、第３図は第２図で示す矢視―線断面
図、第４図は使用状態を示す分解斜視図、第５図
は従来例を示す断面図である。Ｐ……金属ダクト、Ｐ１……屈曲縁、Ｑ……ダ
クトカバー、Ｒ……止着ネジ、Ｓ……タツプ、Ｔ
……ネジ孔、Ｚ……ケーブル、１……金具体、２
……係止片、３……押圧補強片、４……ビード。 Fig. 1 is a partially cutaway perspective view showing the main parts, Fig. 2 is a plan view, Fig. 3 is a sectional view taken along the line shown in Fig. 2, Fig. 4 is an exploded perspective view showing the state of use; FIG. 5 is a sectional view showing a conventional example. P...Metal duct, P1...Bent edge, Q...Duct cover, R...Setting screw, S...Tap, T
...Screw hole, Z...Cable, 1...Gold concrete, 2
...Locking piece, 3...Press reinforcing piece, 4...Bead.

Claims

[Scope of utility model registration request]

The outer edge of the opening of the metal duct, where the opening is wider than the appropriate size, is attached to both longitudinal ends of the metal strip, which is formed by setting its own length to the appropriate dimension. A pair of locking pieces are provided to forcibly lock the inner edge of the opening of the metal duct, and the inner edge of the opening of the metal duct is formed to match the appropriate dimensions between the inner edges of the opening of the metal duct, and the inner edge of the opening of the metal duct is formed to match the appropriate dimensions. A fitting for correcting the opening of a metal duct, characterized in that a pressing reinforcing piece is provided along the longitudinal side edge of the metal duct, the piece being press-contacted between the pieces to press and expand the secondary member to an appropriate size.