JPH03115193U - - Google Patents
Info
- Publication number
- JPH03115193U JPH03115193U JP2408490U JP2408490U JPH03115193U JP H03115193 U JPH03115193 U JP H03115193U JP 2408490 U JP2408490 U JP 2408490U JP 2408490 U JP2408490 U JP 2408490U JP H03115193 U JPH03115193 U JP H03115193U
- Authority
- JP
- Japan
- Prior art keywords
- bucket
- main body
- drilling
- kelly bar
- bucket main
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2408490U JPH03115193U (cs) | 1990-03-09 | 1990-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2408490U JPH03115193U (cs) | 1990-03-09 | 1990-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03115193U true JPH03115193U (cs) | 1991-11-27 |
Family
ID=31527058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2408490U Pending JPH03115193U (cs) | 1990-03-09 | 1990-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03115193U (cs) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007109187A (ja) * | 2005-10-08 | 2007-04-26 | Neuron:Kk | ライナーレスフィルム |
| JP2018096156A (ja) * | 2016-12-15 | 2018-06-21 | 日本車輌製造株式会社 | アースドリル |
-
1990
- 1990-03-09 JP JP2408490U patent/JPH03115193U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007109187A (ja) * | 2005-10-08 | 2007-04-26 | Neuron:Kk | ライナーレスフィルム |
| JP2018096156A (ja) * | 2016-12-15 | 2018-06-21 | 日本車輌製造株式会社 | アースドリル |