JPS6214189Y2 - - Google Patents
Info
- Publication number
- JPS6214189Y2 JPS6214189Y2 JP1980042940U JP4294080U JPS6214189Y2 JP S6214189 Y2 JPS6214189 Y2 JP S6214189Y2 JP 1980042940 U JP1980042940 U JP 1980042940U JP 4294080 U JP4294080 U JP 4294080U JP S6214189 Y2 JPS6214189 Y2 JP S6214189Y2
- Authority
- JP
- Japan
- Prior art keywords
- breaker
- hydraulic
- chuck
- valve
- pilot
- 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
- 239000003921 oil Substances 0.000 description 11
- 238000009412 basement excavation Methods 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Percussive Tools And Related Accessories (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1980042940U JPS6214189Y2 (de) | 1980-03-31 | 1980-03-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1980042940U JPS6214189Y2 (de) | 1980-03-31 | 1980-03-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56144144U JPS56144144U (de) | 1981-10-30 |
JPS6214189Y2 true JPS6214189Y2 (de) | 1987-04-11 |
Family
ID=29638320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1980042940U Expired JPS6214189Y2 (de) | 1980-03-31 | 1980-03-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6214189Y2 (de) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS522663B2 (de) * | 1973-04-07 | 1977-01-22 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS522663U (de) * | 1975-06-24 | 1977-01-10 | ||
JPS5634043Y2 (de) * | 1977-01-26 | 1981-08-12 |
-
1980
- 1980-03-31 JP JP1980042940U patent/JPS6214189Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS522663B2 (de) * | 1973-04-07 | 1977-01-22 |
Also Published As
Publication number | Publication date |
---|---|
JPS56144144U (de) | 1981-10-30 |
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