JPS6437596U - - Google Patents
Info
- Publication number
- JPS6437596U JPS6437596U JP13349287U JP13349287U JPS6437596U JP S6437596 U JPS6437596 U JP S6437596U JP 13349287 U JP13349287 U JP 13349287U JP 13349287 U JP13349287 U JP 13349287U JP S6437596 U JPS6437596 U JP S6437596U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- stepped portion
- outer diameter
- stepped
- pipe body
- 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
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- 239000011347 resin Substances 0.000 claims 2
- 229920005989 resin Polymers 0.000 claims 2
- 238000005260 corrosion Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 229920013716 polyethylene resin Polymers 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987133492U JPH057358Y2 (ko) | 1987-09-01 | 1987-09-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987133492U JPH057358Y2 (ko) | 1987-09-01 | 1987-09-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6437596U true JPS6437596U (ko) | 1989-03-07 |
| JPH057358Y2 JPH057358Y2 (ko) | 1993-02-24 |
Family
ID=31391400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987133492U Expired - Lifetime JPH057358Y2 (ko) | 1987-09-01 | 1987-09-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH057358Y2 (ko) |
Citations (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 |
| JPS6266996U (ko) * | 1985-10-07 | 1987-04-25 |
-
1987
- 1987-09-01 JP JP1987133492U patent/JPH057358Y2/ja not_active Expired - Lifetime
Patent Citations (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 |
| JPS6266996U (ko) * | 1985-10-07 | 1987-04-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH057358Y2 (ko) | 1993-02-24 |