JPS61173590U - - Google Patents
Info
- Publication number
- JPS61173590U JPS61173590U JP5607985U JP5607985U JPS61173590U JP S61173590 U JPS61173590 U JP S61173590U JP 5607985 U JP5607985 U JP 5607985U JP 5607985 U JP5607985 U JP 5607985U JP S61173590 U JPS61173590 U JP S61173590U
- Authority
- JP
- Japan
- Prior art keywords
- wedge
- sloped
- liner
- wedge material
- type rock
- 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
- 239000011435 rock Substances 0.000 claims description 7
- 239000004519 grease Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5607985U JPH0235913Y2 (OSRAM) | 1985-04-17 | 1985-04-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5607985U JPH0235913Y2 (OSRAM) | 1985-04-17 | 1985-04-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61173590U true JPS61173590U (OSRAM) | 1986-10-28 |
| JPH0235913Y2 JPH0235913Y2 (OSRAM) | 1990-10-01 |
Family
ID=30579346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5607985U Expired JPH0235913Y2 (OSRAM) | 1985-04-17 | 1985-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0235913Y2 (OSRAM) |
-
1985
- 1985-04-17 JP JP5607985U patent/JPH0235913Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0235913Y2 (OSRAM) | 1990-10-01 |