JPH0645468Y2 - 底面仕上げ用砕岩棒 - Google Patents
底面仕上げ用砕岩棒Info
- Publication number
- JPH0645468Y2 JPH0645468Y2 JP9509690U JP9509690U JPH0645468Y2 JP H0645468 Y2 JPH0645468 Y2 JP H0645468Y2 JP 9509690 U JP9509690 U JP 9509690U JP 9509690 U JP9509690 U JP 9509690U JP H0645468 Y2 JPH0645468 Y2 JP H0645468Y2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- crushing
- crushing blade
- crushed
- 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.)
- Expired - Lifetime
Links
- 239000011435 rock Substances 0.000 title claims description 27
- 230000008961 swelling Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000617 Mangalloy Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Crushing And Grinding (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9509690U JPH0645468Y2 (ja) | 1990-09-12 | 1990-09-12 | 底面仕上げ用砕岩棒 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9509690U JPH0645468Y2 (ja) | 1990-09-12 | 1990-09-12 | 底面仕上げ用砕岩棒 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0453836U JPH0453836U (en]) | 1992-05-08 |
| JPH0645468Y2 true JPH0645468Y2 (ja) | 1994-11-24 |
Family
ID=31833556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9509690U Expired - Lifetime JPH0645468Y2 (ja) | 1990-09-12 | 1990-09-12 | 底面仕上げ用砕岩棒 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0645468Y2 (en]) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003139198A (ja) * | 2001-01-26 | 2003-05-14 | Mitsuboshi Belting Ltd | 短繊維の接着処理方法及びゴム組成物並びに動力伝動用ベルト |
| JP5203524B1 (ja) * | 2012-06-12 | 2013-06-05 | 関門港湾建設株式会社 | 十文字型砕岩棒 |
-
1990
- 1990-09-12 JP JP9509690U patent/JPH0645468Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0453836U (en]) | 1992-05-08 |
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