JPS6323506Y2 - - Google Patents
Info
- Publication number
- JPS6323506Y2 JPS6323506Y2 JP8565383U JP8565383U JPS6323506Y2 JP S6323506 Y2 JPS6323506 Y2 JP S6323506Y2 JP 8565383 U JP8565383 U JP 8565383U JP 8565383 U JP8565383 U JP 8565383U JP S6323506 Y2 JPS6323506 Y2 JP S6323506Y2
- Authority
- JP
- Japan
- Prior art keywords
- main body
- enlarged
- pair
- bits
- stoppers
- 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
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 description 5
- 239000004568 cement Substances 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000009271 trench method Methods 0.000 description 1
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8565383U JPS59192981U (ja) | 1983-06-03 | 1983-06-03 | 中掘工法用の拡大オ−ガ−ヘツド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8565383U JPS59192981U (ja) | 1983-06-03 | 1983-06-03 | 中掘工法用の拡大オ−ガ−ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59192981U JPS59192981U (ja) | 1984-12-21 |
| JPS6323506Y2 true JPS6323506Y2 (US08063081-20111122-C00044.png) | 1988-06-28 |
Family
ID=30215618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8565383U Granted JPS59192981U (ja) | 1983-06-03 | 1983-06-03 | 中掘工法用の拡大オ−ガ−ヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59192981U (US08063081-20111122-C00044.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4074831B2 (ja) * | 2003-04-25 | 2008-04-16 | 日本高圧コンクリート株式会社 | オーガドリルの流体噴射装置 |
| JP6963870B2 (ja) * | 2016-12-06 | 2021-11-10 | 三谷セキサン株式会社 | 杭穴掘削ヘッド |
-
1983
- 1983-06-03 JP JP8565383U patent/JPS59192981U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59192981U (ja) | 1984-12-21 |
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