JPS6332959B2 - - Google Patents
Info
- Publication number
- JPS6332959B2 JPS6332959B2 JP12583684A JP12583684A JPS6332959B2 JP S6332959 B2 JPS6332959 B2 JP S6332959B2 JP 12583684 A JP12583684 A JP 12583684A JP 12583684 A JP12583684 A JP 12583684A JP S6332959 B2 JPS6332959 B2 JP S6332959B2
- Authority
- JP
- Japan
- Prior art keywords
- expandable body
- cylindrical elastic
- cylindrical
- elastic expandable
- hole
- 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
- 239000011435 rock Substances 0.000 claims description 27
- 239000002184 metal Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 description 11
- 210000005069 ears Anatomy 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 238000005422 blasting Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12583684A JPS615197A (ja) | 1984-06-18 | 1984-06-18 | 岩石等の破砕装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12583684A JPS615197A (ja) | 1984-06-18 | 1984-06-18 | 岩石等の破砕装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS615197A JPS615197A (ja) | 1986-01-10 |
| JPS6332959B2 true JPS6332959B2 (cs) | 1988-07-01 |
Family
ID=14920137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12583684A Granted JPS615197A (ja) | 1984-06-18 | 1984-06-18 | 岩石等の破砕装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS615197A (cs) |
-
1984
- 1984-06-18 JP JP12583684A patent/JPS615197A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS615197A (ja) | 1986-01-10 |
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