JPH0336635Y2 - - Google Patents
Info
- Publication number
- JPH0336635Y2 JPH0336635Y2 JP1986154852U JP15485286U JPH0336635Y2 JP H0336635 Y2 JPH0336635 Y2 JP H0336635Y2 JP 1986154852 U JP1986154852 U JP 1986154852U JP 15485286 U JP15485286 U JP 15485286U JP H0336635 Y2 JPH0336635 Y2 JP H0336635Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutter bit
- holder
- side wall
- groove
- wall portion
- 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
- 238000010008 shearing Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005552 hardfacing Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986154852U JPH0336635Y2 (US06534493-20030318-C00166.png) | 1986-10-08 | 1986-10-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986154852U JPH0336635Y2 (US06534493-20030318-C00166.png) | 1986-10-08 | 1986-10-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6361491U JPS6361491U (US06534493-20030318-C00166.png) | 1988-04-23 |
| JPH0336635Y2 true JPH0336635Y2 (US06534493-20030318-C00166.png) | 1991-08-02 |
Family
ID=31075023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986154852U Expired JPH0336635Y2 (US06534493-20030318-C00166.png) | 1986-10-08 | 1986-10-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0336635Y2 (US06534493-20030318-C00166.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006348644A (ja) * | 2005-06-17 | 2006-12-28 | Marutoku Kigyo:Kk | 掘削ヘッド及び掘削機 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60250193A (ja) * | 1984-05-23 | 1985-12-10 | スタ−ロイ産業株式会社 | ア−スオ−ガ−のカツタ−ビツト |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59121090U (ja) * | 1983-02-01 | 1984-08-15 | 住友電気工業株式会社 | ア−スオ−ガ−用着脱式掘削爪の取付構造 |
| JPS60135392U (ja) * | 1984-02-16 | 1985-09-09 | 三和機材株式会社 | 掘削ビツト |
-
1986
- 1986-10-08 JP JP1986154852U patent/JPH0336635Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60250193A (ja) * | 1984-05-23 | 1985-12-10 | スタ−ロイ産業株式会社 | ア−スオ−ガ−のカツタ−ビツト |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6361491U (US06534493-20030318-C00166.png) | 1988-04-23 |
