JPS6194690U - - Google Patents

Description

[Brief explanation of drawings]

Figures 1a and b are front and side views of a joint pipe according to an embodiment of the present invention, Figure 2 is a perspective view of the same branch pipe socket, and Figure 3 is a connection section between the same above joint pipe and branch pipe socket. FIG. 4 is a cross-sectional view showing the connection between the branch pipe socket and the branch pipe, FIG. 5 is a plan view of the joint pipe and the branch pipe socket, and FIG. 7a, b, and c are schematic cross-sectional views showing various embodiments of the above branch pipe socket; FIG. 8 is a side view of the main part of the conventional example; FIG. 9 and 10 are plan views of essential parts of the same as above, and FIGS. 11a and 11b are explanatory diagrams of other conventional examples, respectively. 1 is a drain pipe, 2 is a joint pipe, 3 is an inlet, 4 is a connecting piece, 5 is a branch pipe socket, 6 is an outlet, 7 is a connecting tube piece, and 16 is a branch pipe socket body.

Claims (1)

[Scope of utility model registration request] An inlet is provided on the side of the joint pipe to which the drain pipe is connected at both ends, and a symmetrical, laterally long cylindrical connection piece is formed on the side of the joint pipe at the outer edge of this inlet, protruding outward. The branch pipe socket is formed by extending the branch pipe socket main body from the laterally long and bilaterally symmetrical connecting cylinder piece inserted into the connecting piece in a diagonal direction with respect to the joint pipe, and the branch pipe socket is connected. A drainage device comprising a cylindrical piece inserted into a connecting piece of a joint pipe to connect an outlet in a branch pipe socket and an inlet of the joint pipe.