JPH0316957Y2 - - Google Patents
Info
- Publication number
- JPH0316957Y2 JPH0316957Y2 JP10813587U JP10813587U JPH0316957Y2 JP H0316957 Y2 JPH0316957 Y2 JP H0316957Y2 JP 10813587 U JP10813587 U JP 10813587U JP 10813587 U JP10813587 U JP 10813587U JP H0316957 Y2 JPH0316957 Y2 JP H0316957Y2
- Authority
- JP
- Japan
- Prior art keywords
- bit
- groove
- holder
- casing pipe
- load
- 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
- 238000009412 basement excavation Methods 0.000 claims description 23
- 238000003825 pressing Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10813587U JPH0316957Y2 (en]) | 1987-07-13 | 1987-07-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10813587U JPH0316957Y2 (en]) | 1987-07-13 | 1987-07-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6414293U JPS6414293U (en]) | 1989-01-25 |
| JPH0316957Y2 true JPH0316957Y2 (en]) | 1991-04-10 |
Family
ID=31343182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10813587U Expired JPH0316957Y2 (en]) | 1987-07-13 | 1987-07-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0316957Y2 (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016003554A (ja) * | 2014-06-13 | 2016-01-12 | 株式会社 尾鍋組 | 掘削翼表面に鋳物製の掘削翼被覆耐摩耗部材が着脱自在に装着される地盤改良装置 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2602276Y2 (ja) * | 1991-06-14 | 2000-01-11 | 三菱マテリアル株式会社 | 着脱式掘削刃 |
| JPH0745675Y2 (ja) * | 1992-04-16 | 1995-10-18 | 三菱製鋼株式会社 | 基礎杭用掘削刃 |
-
1987
- 1987-07-13 JP JP10813587U patent/JPH0316957Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016003554A (ja) * | 2014-06-13 | 2016-01-12 | 株式会社 尾鍋組 | 掘削翼表面に鋳物製の掘削翼被覆耐摩耗部材が着脱自在に装着される地盤改良装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6414293U (en]) | 1989-01-25 |
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