JPS6133118Y2 - - Google Patents
Info
- Publication number
- JPS6133118Y2 JPS6133118Y2 JP11778980U JP11778980U JPS6133118Y2 JP S6133118 Y2 JPS6133118 Y2 JP S6133118Y2 JP 11778980 U JP11778980 U JP 11778980U JP 11778980 U JP11778980 U JP 11778980U JP S6133118 Y2 JPS6133118 Y2 JP S6133118Y2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- shield
- oil
- pressure chamber
- fat
- 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
- 238000012856 packing Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000004576 sand Substances 0.000 description 10
- 238000009412 basement excavation Methods 0.000 description 2
- 235000006506 Brasenia schreberi Nutrition 0.000 description 1
- 244000267222 Brasenia schreberi Species 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11778980U JPS6133118Y2 (enrdf_load_html_response) | 1980-08-20 | 1980-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11778980U JPS6133118Y2 (enrdf_load_html_response) | 1980-08-20 | 1980-08-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5741994U JPS5741994U (enrdf_load_html_response) | 1982-03-06 |
| JPS6133118Y2 true JPS6133118Y2 (enrdf_load_html_response) | 1986-09-26 |
Family
ID=29478540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11778980U Expired JPS6133118Y2 (enrdf_load_html_response) | 1980-08-20 | 1980-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6133118Y2 (enrdf_load_html_response) |
-
1980
- 1980-08-20 JP JP11778980U patent/JPS6133118Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5741994U (enrdf_load_html_response) | 1982-03-06 |
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