JPS6386190U - - Google Patents
Info
- Publication number
- JPS6386190U JPS6386190U JP17982486U JP17982486U JPS6386190U JP S6386190 U JPS6386190 U JP S6386190U JP 17982486 U JP17982486 U JP 17982486U JP 17982486 U JP17982486 U JP 17982486U JP S6386190 U JPS6386190 U JP S6386190U
- Authority
- JP
- Japan
- Prior art keywords
- casing
- pressure fluid
- hammer
- flexible material
- pneumatic
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims description 5
- 238000009527 percussion Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 2
- 238000009412 basement excavation Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17982486U JPS6386190U (enExample) | 1986-11-25 | 1986-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17982486U JPS6386190U (enExample) | 1986-11-25 | 1986-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6386190U true JPS6386190U (enExample) | 1988-06-06 |
Family
ID=31123228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17982486U Pending JPS6386190U (enExample) | 1986-11-25 | 1986-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6386190U (enExample) |
-
1986
- 1986-11-25 JP JP17982486U patent/JPS6386190U/ja active Pending
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