JPH0223672Y2 - - Google Patents
Info
- Publication number
- JPH0223672Y2 JPH0223672Y2 JP7796984U JP7796984U JPH0223672Y2 JP H0223672 Y2 JPH0223672 Y2 JP H0223672Y2 JP 7796984 U JP7796984 U JP 7796984U JP 7796984 U JP7796984 U JP 7796984U JP H0223672 Y2 JPH0223672 Y2 JP H0223672Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- drum
- excavation
- bolts
- cutter drum
- 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
- 238000009412 basement excavation Methods 0.000 claims description 35
- 230000002265 prevention Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7796984U JPS60190893U (ja) | 1984-05-29 | 1984-05-29 | 管推進機械の掘削機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7796984U JPS60190893U (ja) | 1984-05-29 | 1984-05-29 | 管推進機械の掘削機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60190893U JPS60190893U (ja) | 1985-12-18 |
| JPH0223672Y2 true JPH0223672Y2 (en, 2012) | 1990-06-27 |
Family
ID=30621521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7796984U Granted JPS60190893U (ja) | 1984-05-29 | 1984-05-29 | 管推進機械の掘削機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60190893U (en, 2012) |
-
1984
- 1984-05-29 JP JP7796984U patent/JPS60190893U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60190893U (ja) | 1985-12-18 |
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