JPS63190394U - - Google Patents
Info
- Publication number
- JPS63190394U JPS63190394U JP8116387U JP8116387U JPS63190394U JP S63190394 U JPS63190394 U JP S63190394U JP 8116387 U JP8116387 U JP 8116387U JP 8116387 U JP8116387 U JP 8116387U JP S63190394 U JPS63190394 U JP S63190394U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- rod
- case
- inner case
- tapered
- 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.)
- Granted
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8116387U JPH052707Y2 (en:Method) | 1987-05-29 | 1987-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8116387U JPH052707Y2 (en:Method) | 1987-05-29 | 1987-05-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63190394U true JPS63190394U (en:Method) | 1988-12-07 |
| JPH052707Y2 JPH052707Y2 (en:Method) | 1993-01-22 |
Family
ID=30932653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8116387U Expired - Lifetime JPH052707Y2 (en:Method) | 1987-05-29 | 1987-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH052707Y2 (en:Method) |
-
1987
- 1987-05-29 JP JP8116387U patent/JPH052707Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH052707Y2 (en:Method) | 1993-01-22 |