JPS6126472Y2 - - Google Patents
Info
- Publication number
- JPS6126472Y2 JPS6126472Y2 JP18169880U JP18169880U JPS6126472Y2 JP S6126472 Y2 JPS6126472 Y2 JP S6126472Y2 JP 18169880 U JP18169880 U JP 18169880U JP 18169880 U JP18169880 U JP 18169880U JP S6126472 Y2 JPS6126472 Y2 JP S6126472Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutter head
- plunger
- cam
- slit
- small
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18169880U JPS6126472Y2 (en]) | 1980-12-19 | 1980-12-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18169880U JPS6126472Y2 (en]) | 1980-12-19 | 1980-12-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57105393U JPS57105393U (en]) | 1982-06-29 |
| JPS6126472Y2 true JPS6126472Y2 (en]) | 1986-08-08 |
Family
ID=29979406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18169880U Expired JPS6126472Y2 (en]) | 1980-12-19 | 1980-12-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6126472Y2 (en]) |
-
1980
- 1980-12-19 JP JP18169880U patent/JPS6126472Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57105393U (en]) | 1982-06-29 |
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