JPS6428499U - - Google Patents
Info
- Publication number
- JPS6428499U JPS6428499U JP12202187U JP12202187U JPS6428499U JP S6428499 U JPS6428499 U JP S6428499U JP 12202187 U JP12202187 U JP 12202187U JP 12202187 U JP12202187 U JP 12202187U JP S6428499 U JPS6428499 U JP S6428499U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- spigot
- cylindrical
- cast iron
- composite pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 3
- 229910001018 Cast iron Inorganic materials 0.000 claims 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案の一実施例を示す一部切欠縦断
面図、第２図は本考案の他の実施例を示す一部切
欠縦断面図である。第３図は上記実施例において
使用した合成樹脂帯状板の一部切欠斜視図である
。
１…外筒管、２…内筒管、３…裏込め材、１０
…合成樹脂帯状板、１２…リブ状突起、２１…拡
径受け口、２２…差し口。
FIG. 1 is a partially cutaway longitudinal sectional view showing one embodiment of the present invention, and FIG. 2 is a partially cutaway longitudinal sectional view showing another embodiment of the present invention. FIG. 3 is a partially cutaway perspective view of the synthetic resin strip plate used in the above embodiment. 1...Outer tube, 2...Inner tube, 3...Backfilling material, 10
...Synthetic resin strip plate, 12...Ribbed protrusion, 21...Diameter expansion socket, 22...Socket.
Claims (1)
裏込め材とから構成された複合管であつて、上記
内筒管は、一端部に差し口を有し他端部に拡径受
け口を有することにより外周面に段差が形成され
た鋳鉄管からなり、上記外筒管は、外面が平滑で
内面にリブ状突起を有する合成樹脂帯状板を螺旋
状に巻回した螺旋管からなり、上記複合管の外周
面は、上記鋳鉄管の差し口を除き段差のない面と
なされていることを特徴とする推進工法用複合管
。 A composite pipe consisting of an inner cylindrical pipe, an outer cylindrical pipe, and a backfilling material filled between the two cylindrical pipes, wherein the inner cylindrical pipe has a spigot at one end and a spigot at the other end. The outer cylindrical tube is made of a cast iron tube with a step formed on the outer circumferential surface by having an enlarged-diameter socket on the outer cylindrical surface. 1. A composite pipe for a propulsion method, characterized in that the outer circumferential surface of the composite pipe is a surface with no steps except for the spigot of the cast iron pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12202187U JPS6428499U (en) | 1987-08-07 | 1987-08-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12202187U JPS6428499U (en) | 1987-08-07 | 1987-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6428499U true JPS6428499U (en) | 1989-02-20 |
Family
ID=31369563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12202187U Pending JPS6428499U (en) | 1987-08-07 | 1987-08-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6428499U (en) |
-
1987
- 1987-08-07 JP JP12202187U patent/JPS6428499U/ja active Pending