JPH0227032Y2 - - Google Patents
Info
- Publication number
- JPH0227032Y2 JPH0227032Y2 JP5978382U JP5978382U JPH0227032Y2 JP H0227032 Y2 JPH0227032 Y2 JP H0227032Y2 JP 5978382 U JP5978382 U JP 5978382U JP 5978382 U JP5978382 U JP 5978382U JP H0227032 Y2 JPH0227032 Y2 JP H0227032Y2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- core
- bit
- bag
- core tube
- 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 9
- 239000011435 rock Substances 0.000 claims description 5
- 239000012634 fragment Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5978382U JPS58160991U (ja) | 1982-04-23 | 1982-04-23 | コア採取器具のビツト |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5978382U JPS58160991U (ja) | 1982-04-23 | 1982-04-23 | コア採取器具のビツト |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58160991U JPS58160991U (ja) | 1983-10-26 |
| JPH0227032Y2 true JPH0227032Y2 (2) | 1990-07-23 |
Family
ID=30070065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5978382U Granted JPS58160991U (ja) | 1982-04-23 | 1982-04-23 | コア採取器具のビツト |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58160991U (2) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60139887U (ja) * | 1984-02-24 | 1985-09-17 | ノートン株式会社 | コアバレル用ビツト |
-
1982
- 1982-04-23 JP JP5978382U patent/JPS58160991U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58160991U (ja) | 1983-10-26 |
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