JPH0442390Y2 - - Google Patents
Info
- Publication number
- JPH0442390Y2 JPH0442390Y2 JP5298087U JP5298087U JPH0442390Y2 JP H0442390 Y2 JPH0442390 Y2 JP H0442390Y2 JP 5298087 U JP5298087 U JP 5298087U JP 5298087 U JP5298087 U JP 5298087U JP H0442390 Y2 JPH0442390 Y2 JP H0442390Y2
- Authority
- JP
- Japan
- Prior art keywords
- drum
- shaft
- drive shaft
- water supply
- excavation
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 238000009412 basement excavation Methods 0.000 claims description 28
- 239000003638 chemical reducing agent Substances 0.000 claims description 17
- 238000012856 packing Methods 0.000 claims description 10
- 239000011435 rock Substances 0.000 description 9
- 238000005553 drilling Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5298087U JPH0442390Y2 (cs) | 1987-04-08 | 1987-04-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5298087U JPH0442390Y2 (cs) | 1987-04-08 | 1987-04-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63161991U JPS63161991U (cs) | 1988-10-21 |
| JPH0442390Y2 true JPH0442390Y2 (cs) | 1992-10-06 |
Family
ID=30878626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5298087U Expired JPH0442390Y2 (cs) | 1987-04-08 | 1987-04-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442390Y2 (cs) |
-
1987
- 1987-04-08 JP JP5298087U patent/JPH0442390Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63161991U (cs) | 1988-10-21 |
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