JPH0351397Y2 - - Google Patents
Info
- Publication number
- JPH0351397Y2 JPH0351397Y2 JP1984144245U JP14424584U JPH0351397Y2 JP H0351397 Y2 JPH0351397 Y2 JP H0351397Y2 JP 1984144245 U JP1984144245 U JP 1984144245U JP 14424584 U JP14424584 U JP 14424584U JP H0351397 Y2 JPH0351397 Y2 JP H0351397Y2
- Authority
- JP
- Japan
- Prior art keywords
- low
- friction material
- body plate
- tapered surface
- wedge member
- 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
- 239000002783 friction material Substances 0.000 claims description 30
- 238000009412 basement excavation Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 description 3
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 2
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Shovels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984144245U JPH0351397Y2 (US20080293856A1-20081127-C00150.png) | 1984-09-26 | 1984-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984144245U JPH0351397Y2 (US20080293856A1-20081127-C00150.png) | 1984-09-26 | 1984-09-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6162963U JPS6162963U (US20080293856A1-20081127-C00150.png) | 1986-04-28 |
| JPH0351397Y2 true JPH0351397Y2 (US20080293856A1-20081127-C00150.png) | 1991-11-05 |
Family
ID=30702529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984144245U Expired JPH0351397Y2 (US20080293856A1-20081127-C00150.png) | 1984-09-26 | 1984-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0351397Y2 (US20080293856A1-20081127-C00150.png) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5718048B2 (US20080293856A1-20081127-C00150.png) * | 1976-10-04 | 1982-04-14 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5655061U (US20080293856A1-20081127-C00150.png) * | 1979-10-04 | 1981-05-13 | ||
| JPS5718048U (US20080293856A1-20081127-C00150.png) * | 1980-06-30 | 1982-01-29 |
-
1984
- 1984-09-26 JP JP1984144245U patent/JPH0351397Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5718048B2 (US20080293856A1-20081127-C00150.png) * | 1976-10-04 | 1982-04-14 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6162963U (US20080293856A1-20081127-C00150.png) | 1986-04-28 |
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