JPS6231504Y2 - - Google Patents
Info
- Publication number
- JPS6231504Y2 JPS6231504Y2 JP1357682U JP1357682U JPS6231504Y2 JP S6231504 Y2 JPS6231504 Y2 JP S6231504Y2 JP 1357682 U JP1357682 U JP 1357682U JP 1357682 U JP1357682 U JP 1357682U JP S6231504 Y2 JPS6231504 Y2 JP S6231504Y2
- Authority
- JP
- Japan
- Prior art keywords
- holder
- cutter bit
- cutter
- joint
- bit
- 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
- 239000000463 material Substances 0.000 claims description 9
- 238000009412 basement excavation Methods 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1357682U JPS58115591U (ja) | 1982-02-01 | 1982-02-01 | 岩掘削カツタ−装置用カツタ−ビツト |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1357682U JPS58115591U (ja) | 1982-02-01 | 1982-02-01 | 岩掘削カツタ−装置用カツタ−ビツト |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58115591U JPS58115591U (ja) | 1983-08-06 |
| JPS6231504Y2 true JPS6231504Y2 (en]) | 1987-08-12 |
Family
ID=30026088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1357682U Granted JPS58115591U (ja) | 1982-02-01 | 1982-02-01 | 岩掘削カツタ−装置用カツタ−ビツト |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58115591U (en]) |
-
1982
- 1982-02-01 JP JP1357682U patent/JPS58115591U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58115591U (ja) | 1983-08-06 |
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