JPH0237912Y2 - - Google Patents
Info
- Publication number
- JPH0237912Y2 JPH0237912Y2 JP16072985U JP16072985U JPH0237912Y2 JP H0237912 Y2 JPH0237912 Y2 JP H0237912Y2 JP 16072985 U JP16072985 U JP 16072985U JP 16072985 U JP16072985 U JP 16072985U JP H0237912 Y2 JPH0237912 Y2 JP H0237912Y2
- Authority
- JP
- Japan
- Prior art keywords
- wedge
- liner
- lubricant
- type rock
- sliding surface
- 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 15
- 239000000314 lubricant Substances 0.000 claims description 12
- 238000005461 lubrication Methods 0.000 claims description 5
- 239000004519 grease Substances 0.000 description 7
- 230000001050 lubricating effect Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16072985U JPH0237912Y2 (enrdf_load_stackoverflow) | 1985-10-22 | 1985-10-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16072985U JPH0237912Y2 (enrdf_load_stackoverflow) | 1985-10-22 | 1985-10-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6272391U JPS6272391U (enrdf_load_stackoverflow) | 1987-05-09 |
| JPH0237912Y2 true JPH0237912Y2 (enrdf_load_stackoverflow) | 1990-10-12 |
Family
ID=31086381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16072985U Expired JPH0237912Y2 (enrdf_load_stackoverflow) | 1985-10-22 | 1985-10-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0237912Y2 (enrdf_load_stackoverflow) |
-
1985
- 1985-10-22 JP JP16072985U patent/JPH0237912Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6272391U (enrdf_load_stackoverflow) | 1987-05-09 |
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