JPS6187287U - - Google Patents
Info
- Publication number
- JPS6187287U JPS6187287U JP17238284U JP17238284U JPS6187287U JP S6187287 U JPS6187287 U JP S6187287U JP 17238284 U JP17238284 U JP 17238284U JP 17238284 U JP17238284 U JP 17238284U JP S6187287 U JPS6187287 U JP S6187287U
- Authority
- JP
- Japan
- Prior art keywords
- steel pipe
- annular water
- stop packing
- synthetic
- propulsion
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 238000012856 packing Methods 0.000 claims description 5
- 238000009933 burial Methods 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Joints With Sleeves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17238284U JPS6187287U (fi) | 1984-11-15 | 1984-11-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17238284U JPS6187287U (fi) | 1984-11-15 | 1984-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6187287U true JPS6187287U (fi) | 1986-06-07 |
Family
ID=30730049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17238284U Pending JPS6187287U (fi) | 1984-11-15 | 1984-11-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6187287U (fi) |
-
1984
- 1984-11-15 JP JP17238284U patent/JPS6187287U/ja active Pending