JPH0521534Y2 - - Google Patents
Info
- Publication number
- JPH0521534Y2 JPH0521534Y2 JP1985008540U JP854085U JPH0521534Y2 JP H0521534 Y2 JPH0521534 Y2 JP H0521534Y2 JP 1985008540 U JP1985008540 U JP 1985008540U JP 854085 U JP854085 U JP 854085U JP H0521534 Y2 JPH0521534 Y2 JP H0521534Y2
- Authority
- JP
- Japan
- Prior art keywords
- casing
- kelly bar
- casing tube
- attachment
- fitting
- 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 - Lifetime
Links
- 238000005553 drilling Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 description 12
- 239000002689 soil Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000004576 sand Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985008540U JPH0521534Y2 (da) | 1985-01-24 | 1985-01-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985008540U JPH0521534Y2 (da) | 1985-01-24 | 1985-01-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61125546U JPS61125546U (da) | 1986-08-07 |
JPH0521534Y2 true JPH0521534Y2 (da) | 1993-06-02 |
Family
ID=30487922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985008540U Expired - Lifetime JPH0521534Y2 (da) | 1985-01-24 | 1985-01-24 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0521534Y2 (da) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH073150B2 (ja) * | 1987-09-30 | 1995-01-18 | 三菱重工業株式会社 | オールケーシング掘削装置および工法 |
JPH07116901B2 (ja) * | 1990-11-19 | 1995-12-18 | 三谷セキサン株式会社 | 構眞柱孔掘削時の表層ケーシング装置 |
JP2540791Y2 (ja) * | 1991-01-28 | 1997-07-09 | 日本車輌製造株式会社 | 鋼管杭施工機の掘削用ロッドのスタビライザ |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS539447A (en) * | 1976-07-14 | 1978-01-27 | Yamatake Honeywell Co Ltd | Square root extractor |
JPS592192U (ja) * | 1982-06-29 | 1984-01-09 | 富士通株式会社 | プリント板収納装置 |
-
1985
- 1985-01-24 JP JP1985008540U patent/JPH0521534Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS539447A (en) * | 1976-07-14 | 1978-01-27 | Yamatake Honeywell Co Ltd | Square root extractor |
JPS592192U (ja) * | 1982-06-29 | 1984-01-09 | 富士通株式会社 | プリント板収納装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS61125546U (da) | 1986-08-07 |
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