JPH0470390U - - Google Patents
Info
- Publication number
- JPH0470390U JPH0470390U JP11065690U JP11065690U JPH0470390U JP H0470390 U JPH0470390 U JP H0470390U JP 11065690 U JP11065690 U JP 11065690U JP 11065690 U JP11065690 U JP 11065690U JP H0470390 U JPH0470390 U JP H0470390U
- Authority
- JP
- Japan
- Prior art keywords
- propulsion tube
- propulsion
- tube
- fitted
- annular groove
- 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
- 239000002184 metal Substances 0.000 claims description 2
- 239000003566 sealing material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Joints With Sleeves (AREA)
Description
第1図は本考案の一実施例を示す縦断面図、第
2図は従来例を示す縦断面図である。 1a,1b……推進管、11……環状溝、2…
…金属製筒体、3……シール材。
2図は従来例を示す縦断面図である。 1a,1b……推進管、11……環状溝、2…
…金属製筒体、3……シール材。
Claims (1)
- 推進工法により地中に順次圧入される推進管で
あつて、推進管の両端部に管端面に開口した環状
溝を設け、先行する推進管の後端と後続の推進管
の先端とを突き合わせてそれぞれの環状溝の奥に
シール材を装填すると共に、両方の環状溝に跨が
つて金属製筒体を嵌挿したことを特徴とする推進
管。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11065690U JPH0470390U (ja) | 1990-10-23 | 1990-10-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11065690U JPH0470390U (ja) | 1990-10-23 | 1990-10-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0470390U true JPH0470390U (ja) | 1992-06-22 |
Family
ID=31858023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11065690U Pending JPH0470390U (ja) | 1990-10-23 | 1990-10-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0470390U (ja) |
-
1990
- 1990-10-23 JP JP11065690U patent/JPH0470390U/ja active Pending