JPS61148607U - - Google Patents
Info
- Publication number
- JPS61148607U JPS61148607U JP3069585U JP3069585U JPS61148607U JP S61148607 U JPS61148607 U JP S61148607U JP 3069585 U JP3069585 U JP 3069585U JP 3069585 U JP3069585 U JP 3069585U JP S61148607 U JPS61148607 U JP S61148607U
- Authority
- JP
- Japan
- Prior art keywords
- spiral groove
- groove
- gap
- cutting blade
- core
- 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.)
- Pending
Links
- 238000010276 construction Methods 0.000 claims 1
- 238000005553 drilling Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 claims 1
Landscapes
- Drilling Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3069585U JPS61148607U (ru) | 1985-03-04 | 1985-03-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3069585U JPS61148607U (ru) | 1985-03-04 | 1985-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61148607U true JPS61148607U (ru) | 1986-09-13 |
Family
ID=30530627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3069585U Pending JPS61148607U (ru) | 1985-03-04 | 1985-03-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61148607U (ru) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988004588A1 (en) * | 1986-12-18 | 1988-06-30 | Itokazu, Kowa | Hole saw |
| JPS63179013U (ru) * | 1987-05-08 | 1988-11-18 | ||
| JPH0671638A (ja) * | 1992-03-02 | 1994-03-15 | Rasa Ind Ltd | コアドリル |
| WO2003002320A1 (fr) * | 2001-06-29 | 2003-01-09 | Mitsubishi Materials Corporation | Outil, dispositif et procede de forage |
| JP2011016188A (ja) * | 2009-07-08 | 2011-01-27 | East Japan Railway Co | スラブ穿孔装置 |
| JP2015013365A (ja) * | 2013-07-02 | 2015-01-22 | アーウィン インダストリアル トゥール カンパニー | ホールカッター |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5849207A (ja) * | 1981-09-19 | 1983-03-23 | 石原 将光 | コンクリ−ト穿孔機 |
| JPS5856497A (ja) * | 1981-09-30 | 1983-04-04 | 富士通株式会社 | 多層プリント基板の端子形成方法 |
| JPS58217208A (ja) * | 1982-06-07 | 1983-12-17 | Kyokuto Shokai:Kk | ドリルビツト |
-
1985
- 1985-03-04 JP JP3069585U patent/JPS61148607U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5849207A (ja) * | 1981-09-19 | 1983-03-23 | 石原 将光 | コンクリ−ト穿孔機 |
| JPS5856497A (ja) * | 1981-09-30 | 1983-04-04 | 富士通株式会社 | 多層プリント基板の端子形成方法 |
| JPS58217208A (ja) * | 1982-06-07 | 1983-12-17 | Kyokuto Shokai:Kk | ドリルビツト |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988004588A1 (en) * | 1986-12-18 | 1988-06-30 | Itokazu, Kowa | Hole saw |
| JPS63179013U (ru) * | 1987-05-08 | 1988-11-18 | ||
| JPH0671638A (ja) * | 1992-03-02 | 1994-03-15 | Rasa Ind Ltd | コアドリル |
| WO2003002320A1 (fr) * | 2001-06-29 | 2003-01-09 | Mitsubishi Materials Corporation | Outil, dispositif et procede de forage |
| KR100831910B1 (ko) * | 2001-06-29 | 2008-05-23 | 미쓰비시 마테리알 가부시키가이샤 | 천공 공구, 천공 장치, 및 천공 공법 |
| JP2011016188A (ja) * | 2009-07-08 | 2011-01-27 | East Japan Railway Co | スラブ穿孔装置 |
| JP2015013365A (ja) * | 2013-07-02 | 2015-01-22 | アーウィン インダストリアル トゥール カンパニー | ホールカッター |