JPS61180289U - - Google Patents
Info
- Publication number
- JPS61180289U JPS61180289U JP6598185U JP6598185U JPS61180289U JP S61180289 U JPS61180289 U JP S61180289U JP 6598185 U JP6598185 U JP 6598185U JP 6598185 U JP6598185 U JP 6598185U JP S61180289 U JPS61180289 U JP S61180289U
- Authority
- JP
- Japan
- Prior art keywords
- bit
- plate portion
- expansion
- wing
- fluid pressure
- 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
- 239000003381 stabilizer Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 2
- 238000009412 basement excavation Methods 0.000 claims 1
- 230000008602 contraction Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6598185U JPS61180289U (ar) | 1985-04-30 | 1985-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6598185U JPS61180289U (ar) | 1985-04-30 | 1985-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61180289U true JPS61180289U (ar) | 1986-11-10 |
Family
ID=30598458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6598185U Pending JPS61180289U (ar) | 1985-04-30 | 1985-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61180289U (ar) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002339679A (ja) * | 2001-05-21 | 2002-11-27 | Kajima Corp | 掘削装置及び掘削工法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5447305A (en) * | 1977-09-21 | 1979-04-13 | Hitachi Construction Machinery | Variable diameter type stabilizer |
-
1985
- 1985-04-30 JP JP6598185U patent/JPS61180289U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5447305A (en) * | 1977-09-21 | 1979-04-13 | Hitachi Construction Machinery | Variable diameter type stabilizer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002339679A (ja) * | 2001-05-21 | 2002-11-27 | Kajima Corp | 掘削装置及び掘削工法 |
| JP4485098B2 (ja) * | 2001-05-21 | 2010-06-16 | 鹿島建設株式会社 | 掘削装置 |