JPS6419689U - - Google Patents
Info
- Publication number
- JPS6419689U JPS6419689U JP11260987U JP11260987U JPS6419689U JP S6419689 U JPS6419689 U JP S6419689U JP 11260987 U JP11260987 U JP 11260987U JP 11260987 U JP11260987 U JP 11260987U JP S6419689 U JPS6419689 U JP S6419689U
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- chip
- shank
- cutting point
- cutter head
- 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.)
- Granted
Links
- 238000009412 basement excavation Methods 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987112609U JPH0431348Y2 (enExample) | 1987-07-24 | 1987-07-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987112609U JPH0431348Y2 (enExample) | 1987-07-24 | 1987-07-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6419689U true JPS6419689U (enExample) | 1989-01-31 |
| JPH0431348Y2 JPH0431348Y2 (enExample) | 1992-07-28 |
Family
ID=31351700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987112609U Expired JPH0431348Y2 (enExample) | 1987-07-24 | 1987-07-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0431348Y2 (enExample) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS508704U (enExample) * | 1973-05-22 | 1975-01-29 | ||
| JPS59130996A (ja) * | 1982-09-24 | 1984-07-27 | デ・ビア−ズ・インダストリアル・ダイアモンドデイビジヨン（プロプライエタリイ）リミテツド | 工具構成要素とそのドリルビツトおよび掘削工具 |
| JPS60173285A (ja) * | 1984-02-17 | 1985-09-06 | 大成建設株式会社 | 岩盤掘削ビツト |
-
1987
- 1987-07-24 JP JP1987112609U patent/JPH0431348Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS508704U (enExample) * | 1973-05-22 | 1975-01-29 | ||
| JPS59130996A (ja) * | 1982-09-24 | 1984-07-27 | デ・ビア−ズ・インダストリアル・ダイアモンドデイビジヨン（プロプライエタリイ）リミテツド | 工具構成要素とそのドリルビツトおよび掘削工具 |
| JPS60173285A (ja) * | 1984-02-17 | 1985-09-06 | 大成建設株式会社 | 岩盤掘削ビツト |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0431348Y2 (enExample) | 1992-07-28 |