JPH01111732U - - Google Patents
Info
- Publication number
- JPH01111732U JPH01111732U JP719288U JP719288U JPH01111732U JP H01111732 U JPH01111732 U JP H01111732U JP 719288 U JP719288 U JP 719288U JP 719288 U JP719288 U JP 719288U JP H01111732 U JPH01111732 U JP H01111732U
- Authority
- JP
- Japan
- Prior art keywords
- filter material
- drainage pipe
- main body
- underdrain drainage
- pipe according
- 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
- 239000000463 material Substances 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 230000000379 polymerizing effect Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP719288U JPH01111732U (enrdf_load_stackoverflow) | 1988-01-22 | 1988-01-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP719288U JPH01111732U (enrdf_load_stackoverflow) | 1988-01-22 | 1988-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01111732U true JPH01111732U (enrdf_load_stackoverflow) | 1989-07-27 |
Family
ID=31212000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP719288U Pending JPH01111732U (enrdf_load_stackoverflow) | 1988-01-22 | 1988-01-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01111732U (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1037174A (ja) * | 1996-07-23 | 1998-02-10 | Okuyama Boring Kk | 集水工法と集水パイプ |
-
1988
- 1988-01-22 JP JP719288U patent/JPH01111732U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1037174A (ja) * | 1996-07-23 | 1998-02-10 | Okuyama Boring Kk | 集水工法と集水パイプ |
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