JPH0484889U

JPH0484889U -

Info

Publication number: JPH0484889U
Application number: JP12768890U
Authority: JP
Priority date: 1990-11-30
Filing date: 1990-11-30
Publication date: 1992-07-23

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す部分断面図、
第２図は第１図の平面図である。１……リブ付管、１１……リブ、１２……分岐
孔、２……分岐管、２１……支管、２１０……支
管の端部、２２……サドル、３ａ……発泡性樹脂
、３ｂ……シール材、４……締結具。 FIG. 1 is a partial sectional view showing an embodiment of the present invention;
FIG. 2 is a plan view of FIG. 1. DESCRIPTION OF SYMBOLS 1... Ribbed pipe, 11... Rib, 12... Branch hole, 2... Branch pipe, 21... Branch pipe, 210... End of branch pipe, 22... Saddle, 3a... Foaming resin, 3b ... Sealing material, 4... Fastener.

Claims

[Scope of utility model registration request]

A ribbed tube 1 has annular or spiral ribs 11 provided on the outer peripheral surface of the tube at a predetermined pitch in the tube axis direction, and a saddle 22 is provided protruding from one end of a branch tube 21.
2 is curved with approximately the same curvature as the outer periphery of the rib 11, and the back surface of the saddle 22 is brought into contact with the outer periphery of the rib 11, and the end of the branch pipe 21 protrudes toward the back surface side. 210 is inserted into the branch hole 12 bored in the tube wall of the ribbed tube 1, and the foamed resin 3a is interposed between the center side back surface a of the saddle 22 and the outer peripheral surface of the ribbed tube 1, and the connection is made. , a branch pipe characterized in that a sealing material 3b is interposed between the outer circumferential back surface b of the saddle 22 and the outer circumferential surface of the ribbed tube 1, and the saddle 22 and the ribbed tube 1 are fixed with a fastener 4. fitting device.