JPS6231503Y2 - - Google Patents
Info
- Publication number
- JPS6231503Y2 JPS6231503Y2 JP6526982U JP6526982U JPS6231503Y2 JP S6231503 Y2 JPS6231503 Y2 JP S6231503Y2 JP 6526982 U JP6526982 U JP 6526982U JP 6526982 U JP6526982 U JP 6526982U JP S6231503 Y2 JPS6231503 Y2 JP S6231503Y2
- Authority
- JP
- Japan
- Prior art keywords
- main body
- expansion
- cut portion
- bit
- auger head
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 230000008602 contraction Effects 0.000 description 9
- 210000000078 claw Anatomy 0.000 description 5
- 239000004576 sand Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6526982U JPS58171986U (ja) | 1982-05-04 | 1982-05-04 | 中掘工法用の拡大オ−ガ−ヘツド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6526982U JPS58171986U (ja) | 1982-05-04 | 1982-05-04 | 中掘工法用の拡大オ−ガ−ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58171986U JPS58171986U (ja) | 1983-11-17 |
| JPS6231503Y2 true JPS6231503Y2 (en, 2012) | 1987-08-12 |
Family
ID=30075245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6526982U Granted JPS58171986U (ja) | 1982-05-04 | 1982-05-04 | 中掘工法用の拡大オ−ガ−ヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58171986U (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6383526B2 (ja) * | 2013-06-14 | 2018-08-29 | 旭化成建材株式会社 | 地盤掘削装置 |
-
1982
- 1982-05-04 JP JP6526982U patent/JPS58171986U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58171986U (ja) | 1983-11-17 |
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