JPS632551Y2 - - Google Patents
Info
- Publication number
- JPS632551Y2 JPS632551Y2 JP18617582U JP18617582U JPS632551Y2 JP S632551 Y2 JPS632551 Y2 JP S632551Y2 JP 18617582 U JP18617582 U JP 18617582U JP 18617582 U JP18617582 U JP 18617582U JP S632551 Y2 JPS632551 Y2 JP S632551Y2
- Authority
- JP
- Japan
- Prior art keywords
- bucket
- kelly bar
- door
- opening
- earth
- 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
- 239000004576 sand Substances 0.000 claims description 8
- 239000002689 soil Substances 0.000 description 8
- 238000005553 drilling Methods 0.000 description 7
- 210000000078 claw Anatomy 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18617582U JPS58180989U (ja) | 1982-12-09 | 1982-12-09 | ア−スドリル装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18617582U JPS58180989U (ja) | 1982-12-09 | 1982-12-09 | ア−スドリル装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58180989U JPS58180989U (ja) | 1983-12-02 |
| JPS632551Y2 true JPS632551Y2 (en, 2012) | 1988-01-22 |
Family
ID=30102656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18617582U Granted JPS58180989U (ja) | 1982-12-09 | 1982-12-09 | ア−スドリル装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58180989U (en, 2012) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0513830Y2 (en, 2012) * | 1987-10-05 | 1993-04-13 | ||
| JPH0513829Y2 (en, 2012) * | 1987-10-05 | 1993-04-13 |
-
1982
- 1982-12-09 JP JP18617582U patent/JPS58180989U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58180989U (ja) | 1983-12-02 |
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