JPS6216651U - - Google Patents
Info
- Publication number
- JPS6216651U JPS6216651U JP10871085U JP10871085U JPS6216651U JP S6216651 U JPS6216651 U JP S6216651U JP 10871085 U JP10871085 U JP 10871085U JP 10871085 U JP10871085 U JP 10871085U JP S6216651 U JPS6216651 U JP S6216651U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- buried pipe
- inner circumferential
- axial direction
- circumferential surface
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 2
- 239000010959 steel Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10871085U JPH0247153Y2 (https=) | 1985-07-15 | 1985-07-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10871085U JPH0247153Y2 (https=) | 1985-07-15 | 1985-07-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6216651U true JPS6216651U (https=) | 1987-01-31 |
| JPH0247153Y2 JPH0247153Y2 (https=) | 1990-12-12 |
Family
ID=30986156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10871085U Expired JPH0247153Y2 (https=) | 1985-07-15 | 1985-07-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247153Y2 (https=) |
-
1985
- 1985-07-15 JP JP10871085U patent/JPH0247153Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0247153Y2 (https=) | 1990-12-12 |