JPS6431189U - - Google Patents
Info
- Publication number
- JPS6431189U JPS6431189U JP12606687U JP12606687U JPS6431189U JP S6431189 U JPS6431189 U JP S6431189U JP 12606687 U JP12606687 U JP 12606687U JP 12606687 U JP12606687 U JP 12606687U JP S6431189 U JPS6431189 U JP S6431189U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- concrete layer
- outer periphery
- utility
- resin material
- 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
- 238000005260 corrosion Methods 0.000 claims 1
- 230000007797 corrosion Effects 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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 |
---|---|---|---|
JP12606687U JPS6431189U (fi) | 1987-08-18 | 1987-08-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12606687U JPS6431189U (fi) | 1987-08-18 | 1987-08-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6431189U true JPS6431189U (fi) | 1989-02-27 |
Family
ID=31377237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12606687U Pending JPS6431189U (fi) | 1987-08-18 | 1987-08-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6431189U (fi) |
-
1987
- 1987-08-18 JP JP12606687U patent/JPS6431189U/ja active Pending