JPS632542Y2 - - Google Patents
Info
- Publication number
- JPS632542Y2 JPS632542Y2 JP15196983U JP15196983U JPS632542Y2 JP S632542 Y2 JPS632542 Y2 JP S632542Y2 JP 15196983 U JP15196983 U JP 15196983U JP 15196983 U JP15196983 U JP 15196983U JP S632542 Y2 JPS632542 Y2 JP S632542Y2
- Authority
- JP
- Japan
- Prior art keywords
- fitting
- drill pipe
- waterproof tube
- hole
- drilling
- 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
- 238000005553 drilling Methods 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 239000002689 soil Substances 0.000 claims description 7
- 238000009412 basement excavation Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 13
- 239000012530 fluid Substances 0.000 description 9
- 238000010276 construction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 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
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15196983U JPS5984083U (ja) | 1983-09-29 | 1983-09-29 | 大口径孔の掘削装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15196983U JPS5984083U (ja) | 1983-09-29 | 1983-09-29 | 大口径孔の掘削装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5984083U JPS5984083U (ja) | 1984-06-06 |
| JPS632542Y2 true JPS632542Y2 (en, 2012) | 1988-01-22 |
Family
ID=30336614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15196983U Granted JPS5984083U (ja) | 1983-09-29 | 1983-09-29 | 大口径孔の掘削装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5984083U (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006274578A (ja) * | 2005-03-28 | 2006-10-12 | Geotop Corp | 拡幅掘削装置 |
-
1983
- 1983-09-29 JP JP15196983U patent/JPS5984083U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5984083U (ja) | 1984-06-06 |
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