JPS633114B2 - - Google Patents
Info
- Publication number
- JPS633114B2 JPS633114B2 JP20603283A JP20603283A JPS633114B2 JP S633114 B2 JPS633114 B2 JP S633114B2 JP 20603283 A JP20603283 A JP 20603283A JP 20603283 A JP20603283 A JP 20603283A JP S633114 B2 JPS633114 B2 JP S633114B2
- Authority
- JP
- Japan
- Prior art keywords
- outer cylinder
- cutter unit
- weight
- kelly bar
- lower shaft
- 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 16
- 239000007787 solid Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 10
- 239000004576 sand Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 229910000278 bentonite Inorganic materials 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20603283A JPS6098096A (ja) | 1983-11-04 | 1983-11-04 | 分割バケツト型回転掘削装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20603283A JPS6098096A (ja) | 1983-11-04 | 1983-11-04 | 分割バケツト型回転掘削装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6098096A JPS6098096A (ja) | 1985-06-01 |
| JPS633114B2 true JPS633114B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-01-21 |
Family
ID=16516761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20603283A Granted JPS6098096A (ja) | 1983-11-04 | 1983-11-04 | 分割バケツト型回転掘削装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6098096A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1983
- 1983-11-04 JP JP20603283A patent/JPS6098096A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6098096A (ja) | 1985-06-01 |