JPS629020Y2 - - Google Patents
Info
- Publication number
- JPS629020Y2 JPS629020Y2 JP12560582U JP12560582U JPS629020Y2 JP S629020 Y2 JPS629020 Y2 JP S629020Y2 JP 12560582 U JP12560582 U JP 12560582U JP 12560582 U JP12560582 U JP 12560582U JP S629020 Y2 JPS629020 Y2 JP S629020Y2
- Authority
- JP
- Japan
- Prior art keywords
- muffler
- exhaust hole
- rock drill
- rock
- ice
- 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 28
- 238000005553 drilling Methods 0.000 claims description 9
- 238000007790 scraping Methods 0.000 claims description 8
- 238000007710 freezing Methods 0.000 claims description 6
- 230000008014 freezing Effects 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims 1
- 230000002528 anti-freeze Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Percussive Tools And Related Accessories (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12560582U JPS5932375U (ja) | 1982-08-20 | 1982-08-20 | さく岩機のマフラの凍結防止装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12560582U JPS5932375U (ja) | 1982-08-20 | 1982-08-20 | さく岩機のマフラの凍結防止装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5932375U JPS5932375U (ja) | 1984-02-28 |
| JPS629020Y2 true JPS629020Y2 (enExample) | 1987-03-02 |
Family
ID=30285895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12560582U Granted JPS5932375U (ja) | 1982-08-20 | 1982-08-20 | さく岩機のマフラの凍結防止装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5932375U (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03112084U (enExample) * | 1990-02-28 | 1991-11-15 | ||
| JPH0422885U (enExample) * | 1990-06-15 | 1992-02-25 |
-
1982
- 1982-08-20 JP JP12560582U patent/JPS5932375U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5932375U (ja) | 1984-02-28 |
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