JPS6239184Y2 - - Google Patents
Info
- Publication number
- JPS6239184Y2 JPS6239184Y2 JP996082U JP996082U JPS6239184Y2 JP S6239184 Y2 JPS6239184 Y2 JP S6239184Y2 JP 996082 U JP996082 U JP 996082U JP 996082 U JP996082 U JP 996082U JP S6239184 Y2 JPS6239184 Y2 JP S6239184Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutting
- cutter
- earth
- excavated
- removal pipe
- 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 12
- 239000004576 sand Substances 0.000 claims description 11
- 238000005553 drilling Methods 0.000 claims description 7
- 239000002689 soil Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP996082U JPS58115590U (ja) | 1982-01-29 | 1982-01-29 | 竪穴掘削用ビツト |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP996082U JPS58115590U (ja) | 1982-01-29 | 1982-01-29 | 竪穴掘削用ビツト |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58115590U JPS58115590U (ja) | 1983-08-06 |
| JPS6239184Y2 true JPS6239184Y2 (un) | 1987-10-06 |
Family
ID=30022564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP996082U Granted JPS58115590U (ja) | 1982-01-29 | 1982-01-29 | 竪穴掘削用ビツト |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58115590U (un) |
-
1982
- 1982-01-29 JP JP996082U patent/JPS58115590U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58115590U (ja) | 1983-08-06 |
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