JPH0342150Y2 - - Google Patents
Info
- Publication number
- JPH0342150Y2 JPH0342150Y2 JP11844387U JP11844387U JPH0342150Y2 JP H0342150 Y2 JPH0342150 Y2 JP H0342150Y2 JP 11844387 U JP11844387 U JP 11844387U JP 11844387 U JP11844387 U JP 11844387U JP H0342150 Y2 JPH0342150 Y2 JP H0342150Y2
- Authority
- JP
- Japan
- Prior art keywords
- filter
- drainage
- hole
- die core
- cutting die
- 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
Links
- 238000005520 cutting process Methods 0.000 claims description 15
- 238000009415 formwork Methods 0.000 claims description 13
- 239000004576 sand Substances 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims description 2
- 238000004080 punching Methods 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Landscapes
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11844387U JPH0342150Y2 (zh) | 1987-07-31 | 1987-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11844387U JPH0342150Y2 (zh) | 1987-07-31 | 1987-07-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6424186U JPS6424186U (zh) | 1989-02-09 |
| JPH0342150Y2 true JPH0342150Y2 (zh) | 1991-09-04 |
Family
ID=31362807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11844387U Expired JPH0342150Y2 (zh) | 1987-07-31 | 1987-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0342150Y2 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6521716B2 (ja) * | 2015-04-23 | 2019-05-29 | 三山工業株式会社 | 浸透器を備えるマンホール壁の製造方法 |
-
1987
- 1987-07-31 JP JP11844387U patent/JPH0342150Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6424186U (zh) | 1989-02-09 |
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