JPS62172794U - - Google Patents
Info
- Publication number
- JPS62172794U JPS62172794U JP5341786U JP5341786U JPS62172794U JP S62172794 U JPS62172794 U JP S62172794U JP 5341786 U JP5341786 U JP 5341786U JP 5341786 U JP5341786 U JP 5341786U JP S62172794 U JPS62172794 U JP S62172794U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- excavation
- pneumatic percussion
- passage
- air supply
- 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.)
- Granted
Links
- 238000009412 basement excavation Methods 0.000 claims description 19
- 238000009527 percussion Methods 0.000 claims description 12
- 238000005553 drilling Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986053417U JPH0428957Y2 (https=) | 1986-04-09 | 1986-04-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986053417U JPH0428957Y2 (https=) | 1986-04-09 | 1986-04-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62172794U true JPS62172794U (https=) | 1987-11-02 |
| JPH0428957Y2 JPH0428957Y2 (https=) | 1992-07-14 |
Family
ID=30879461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986053417U Expired JPH0428957Y2 (https=) | 1986-04-09 | 1986-04-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0428957Y2 (https=) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4816601U (https=) * | 1971-07-05 | 1973-02-24 | ||
| JPS4884802U (https=) * | 1972-01-18 | 1973-10-15 | ||
| JPS59177494A (ja) * | 1983-03-29 | 1984-10-08 | 工業技術院長 | ライザ用テレスコピツクジヨイント |
-
1986
- 1986-04-09 JP JP1986053417U patent/JPH0428957Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4816601U (https=) * | 1971-07-05 | 1973-02-24 | ||
| JPS4884802U (https=) * | 1972-01-18 | 1973-10-15 | ||
| JPS59177494A (ja) * | 1983-03-29 | 1984-10-08 | 工業技術院長 | ライザ用テレスコピツクジヨイント |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0428957Y2 (https=) | 1992-07-14 |
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