JPH0143119B2 - - Google Patents
Info
- Publication number
- JPH0143119B2 JPH0143119B2 JP8516281A JP8516281A JPH0143119B2 JP H0143119 B2 JPH0143119 B2 JP H0143119B2 JP 8516281 A JP8516281 A JP 8516281A JP 8516281 A JP8516281 A JP 8516281A JP H0143119 B2 JPH0143119 B2 JP H0143119B2
- Authority
- JP
- Japan
- Prior art keywords
- core
- tube
- recess
- bag
- cylindrical
- 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
- 238000005520 cutting process Methods 0.000 claims description 10
- 239000011435 rock Substances 0.000 claims description 10
- 239000012634 fragment Substances 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8516281A JPS57201491A (en) | 1981-06-02 | 1981-06-02 | Core clogging preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8516281A JPS57201491A (en) | 1981-06-02 | 1981-06-02 | Core clogging preventing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57201491A JPS57201491A (en) | 1982-12-09 |
| JPH0143119B2 true JPH0143119B2 (2) | 1989-09-19 |
Family
ID=13850965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8516281A Granted JPS57201491A (en) | 1981-06-02 | 1981-06-02 | Core clogging preventing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57201491A (2) |
-
1981
- 1981-06-02 JP JP8516281A patent/JPS57201491A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57201491A (en) | 1982-12-09 |
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