JPS6239195Y2 - - Google Patents
Info
- Publication number
- JPS6239195Y2 JPS6239195Y2 JP1228081U JP1228081U JPS6239195Y2 JP S6239195 Y2 JPS6239195 Y2 JP S6239195Y2 JP 1228081 U JP1228081 U JP 1228081U JP 1228081 U JP1228081 U JP 1228081U JP S6239195 Y2 JPS6239195 Y2 JP S6239195Y2
- Authority
- JP
- Japan
- Prior art keywords
- crusher
- guide
- crushing
- wedge
- cylinder
- 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 19
- 230000003028 elevating effect Effects 0.000 claims description 10
- 238000004080 punching Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1228081U JPS6239195Y2 (enrdf_load_stackoverflow) | 1981-02-02 | 1981-02-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1228081U JPS6239195Y2 (enrdf_load_stackoverflow) | 1981-02-02 | 1981-02-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57128684U JPS57128684U (enrdf_load_stackoverflow) | 1982-08-11 |
| JPS6239195Y2 true JPS6239195Y2 (enrdf_load_stackoverflow) | 1987-10-06 |
Family
ID=29810394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1228081U Expired JPS6239195Y2 (enrdf_load_stackoverflow) | 1981-02-02 | 1981-02-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6239195Y2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60107192U (ja) * | 1983-12-23 | 1985-07-20 | 株式会社 奥村組 | 穿孔装置 |
-
1981
- 1981-02-02 JP JP1228081U patent/JPS6239195Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57128684U (enrdf_load_stackoverflow) | 1982-08-11 |
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