JPH0416048B2 - - Google Patents
Info
- Publication number
- JPH0416048B2 JPH0416048B2 JP19324087A JP19324087A JPH0416048B2 JP H0416048 B2 JPH0416048 B2 JP H0416048B2 JP 19324087 A JP19324087 A JP 19324087A JP 19324087 A JP19324087 A JP 19324087A JP H0416048 B2 JPH0416048 B2 JP H0416048B2
- Authority
- JP
- Japan
- Prior art keywords
- filter
- die core
- hole
- drainage
- 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 23
- 238000004080 punching Methods 0.000 claims description 9
- 239000013049 sediment Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 238000009415 formwork Methods 0.000 description 12
- 239000002689 soil Substances 0.000 description 5
- 239000004576 sand Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 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
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Moulds, Cores, Or Mandrels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19324087A JPS6436405A (en) | 1987-07-31 | 1987-07-31 | Loose core for formation of drainage hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19324087A JPS6436405A (en) | 1987-07-31 | 1987-07-31 | Loose core for formation of drainage hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6436405A JPS6436405A (en) | 1989-02-07 |
| JPH0416048B2 true JPH0416048B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-03-19 |
Family
ID=16304662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19324087A Granted JPS6436405A (en) | 1987-07-31 | 1987-07-31 | Loose core for formation of drainage hole |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6436405A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5213165B2 (ja) * | 2008-03-24 | 2013-06-19 | 大有コンクリート工業株式会社 | 貫通孔成形用ピンおよびそれを用いたコンクリート製品の製造方法 |
| JP2020172773A (ja) * | 2019-04-10 | 2020-10-22 | 積水ヒノマル株式会社 | 排水孔を備えた車止めブロック製造用型枠装置及び排水孔を備えた車止めブロック製造用型枠における車止め本体成型部の高さ調整方法 |
-
1987
- 1987-07-31 JP JP19324087A patent/JPS6436405A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6436405A (en) | 1989-02-07 |