JPS639386U - - Google Patents
Info
- Publication number
- JPS639386U JPS639386U JP10145286U JP10145286U JPS639386U JP S639386 U JPS639386 U JP S639386U JP 10145286 U JP10145286 U JP 10145286U JP 10145286 U JP10145286 U JP 10145286U JP S639386 U JPS639386 U JP S639386U
- Authority
- JP
- Japan
- Prior art keywords
- rod
- excavation device
- arm
- main body
- rotary excavation
- 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.)
- Granted
Links
- 238000009412 basement excavation Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10145286U JPH0519429Y2 (ro) | 1986-07-03 | 1986-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10145286U JPH0519429Y2 (ro) | 1986-07-03 | 1986-07-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS639386U true JPS639386U (ro) | 1988-01-21 |
| JPH0519429Y2 JPH0519429Y2 (ro) | 1993-05-21 |
Family
ID=30972196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10145286U Expired - Lifetime JPH0519429Y2 (ro) | 1986-07-03 | 1986-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0519429Y2 (ro) |
-
1986
- 1986-07-03 JP JP10145286U patent/JPH0519429Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0519429Y2 (ro) | 1993-05-21 |
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