JPS6215681U

JPS6215681U -

Info

Publication number: JPS6215681U
Application number: JP10787285U
Authority: JP
Priority date: 1985-07-15
Filing date: 1985-07-15
Publication date: 1987-01-30

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す縦断面図、第
２図は他の実施例を示す要部断面図、第３図イ、
ロおよびハは差口の外周面を被覆した合成樹脂層
に環状溝を設けて、該溝内にゴムパツキングを装
着した実施例を示す要部断面図、第４図は本考案
のライニング管同志を接続した状態を示す縦断面
図、第５図は従来のライニング管の接続状態を示
す縦断面図である。１……外管、１１……受口、１２……差口、２
（２ａ，２ｂ，２ｃ）……合成樹脂層、２１１，
２２１……環状溝、３……ゴムパツキング。 Fig. 1 is a longitudinal sectional view showing one embodiment of the present invention, Fig. 2 is a sectional view of main parts showing another embodiment, Fig. 3 A,
B and C are main part sectional views showing an embodiment in which an annular groove is provided in the synthetic resin layer covering the outer peripheral surface of the spout and rubber packing is installed in the groove, and Fig. 4 shows the lining pipes of the present invention. FIG. 5 is a vertical cross-sectional view showing a connected state of a conventional lining pipe. 1... Outer pipe, 11... Socket, 12... Socket, 2
(2a, 2b, 2c)...Synthetic resin layer, 211,
221...Annular groove, 3...Rubber packing.

Claims

[Scope of utility model registration request]

The inner circumferential surface of an outer tube having an enlarged diameter socket at one end and a spout at the other end is coated with a synthetic resin layer, and the end surface of the spout and its outer circumferential surface are coated with a synthetic resin layer. A lining pipe characterized in that an annular groove is provided around the synthetic resin layer covering the inner circumferential surface of the socket or the outer circumferential surface of the spigot, and a rubber packing is installed in the groove.