JPH057358Y2 - - Google Patents
Info
- Publication number
- JPH057358Y2 JPH057358Y2 JP1987133492U JP13349287U JPH057358Y2 JP H057358 Y2 JPH057358 Y2 JP H057358Y2 JP 1987133492 U JP1987133492 U JP 1987133492U JP 13349287 U JP13349287 U JP 13349287U JP H057358 Y2 JPH057358 Y2 JP H057358Y2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- pipe
- stepped
- outer diameter
- protective wall
- 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.)
- Expired - Lifetime
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987133492U JPH057358Y2 (en:Method) | 1987-09-01 | 1987-09-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987133492U JPH057358Y2 (en:Method) | 1987-09-01 | 1987-09-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6437596U JPS6437596U (en:Method) | 1989-03-07 |
| JPH057358Y2 true JPH057358Y2 (en:Method) | 1993-02-24 |
Family
ID=31391400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987133492U Expired - Lifetime JPH057358Y2 (en:Method) | 1987-09-01 | 1987-09-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH057358Y2 (en:Method) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6088190U (ja) * | 1983-11-24 | 1985-06-17 | 日本電信電話株式会社 | 推進工法の埋設管の継手装置 |
| JPH0410319Y2 (en:Method) * | 1985-10-07 | 1992-03-13 |
-
1987
- 1987-09-01 JP JP1987133492U patent/JPH057358Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6437596U (en:Method) | 1989-03-07 |
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