JPS5817835Y2 - 掘削用拡張ヘツド - Google Patents
掘削用拡張ヘツドInfo
- Publication number
- JPS5817835Y2 JPS5817835Y2 JP1440980U JP1440980U JPS5817835Y2 JP S5817835 Y2 JPS5817835 Y2 JP S5817835Y2 JP 1440980 U JP1440980 U JP 1440980U JP 1440980 U JP1440980 U JP 1440980U JP S5817835 Y2 JPS5817835 Y2 JP S5817835Y2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- expanded
- head
- auger screw
- expansion
- 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
- 238000005553 drilling Methods 0.000 title description 15
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 238000009412 basement excavation Methods 0.000 claims description 13
- 239000002689 soil Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1440980U JPS5817835Y2 (ja) | 1980-02-07 | 1980-02-07 | 掘削用拡張ヘツド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1440980U JPS5817835Y2 (ja) | 1980-02-07 | 1980-02-07 | 掘削用拡張ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56116495U JPS56116495U (OSRAM) | 1981-09-07 |
| JPS5817835Y2 true JPS5817835Y2 (ja) | 1983-04-11 |
Family
ID=29610904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1440980U Expired JPS5817835Y2 (ja) | 1980-02-07 | 1980-02-07 | 掘削用拡張ヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5817835Y2 (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0786300B2 (ja) * | 1990-03-09 | 1995-09-20 | 三谷セキサン株式会社 | 可変掘削ヘッド |
-
1980
- 1980-02-07 JP JP1440980U patent/JPS5817835Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56116495U (OSRAM) | 1981-09-07 |
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