JPH0510072Y2 - - Google Patents
Info
- Publication number
- JPH0510072Y2 JPH0510072Y2 JP1987108740U JP10874087U JPH0510072Y2 JP H0510072 Y2 JPH0510072 Y2 JP H0510072Y2 JP 1987108740 U JP1987108740 U JP 1987108740U JP 10874087 U JP10874087 U JP 10874087U JP H0510072 Y2 JPH0510072 Y2 JP H0510072Y2
- Authority
- JP
- Japan
- Prior art keywords
- pick
- tip
- water
- nozzle
- rock
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 54
- 239000011435 rock Substances 0.000 description 33
- 238000002347 injection Methods 0.000 description 12
- 239000007924 injection Substances 0.000 description 12
- 239000007921 spray Substances 0.000 description 11
- 238000009412 basement excavation Methods 0.000 description 9
- 239000000428 dust Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987108740U JPH0510072Y2 (fi) | 1987-07-15 | 1987-07-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987108740U JPH0510072Y2 (fi) | 1987-07-15 | 1987-07-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6414297U JPS6414297U (fi) | 1989-01-25 |
| JPH0510072Y2 true JPH0510072Y2 (fi) | 1993-03-11 |
Family
ID=31344358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987108740U Expired - Lifetime JPH0510072Y2 (fi) | 1987-07-15 | 1987-07-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0510072Y2 (fi) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS598899A (ja) * | 1982-07-06 | 1984-01-18 | フオエスト−アルピネ・アクチエンゲゼルシヤフト | ビツトホルダ |
-
1987
- 1987-07-15 JP JP1987108740U patent/JPH0510072Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS598899A (ja) * | 1982-07-06 | 1984-01-18 | フオエスト−アルピネ・アクチエンゲゼルシヤフト | ビツトホルダ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6414297U (fi) | 1989-01-25 |
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