JPH072179Y2 - コンクリート穿孔用回転ドリル - Google Patents
コンクリート穿孔用回転ドリルInfo
- Publication number
- JPH072179Y2 JPH072179Y2 JP1987060424U JP6042487U JPH072179Y2 JP H072179 Y2 JPH072179 Y2 JP H072179Y2 JP 1987060424 U JP1987060424 U JP 1987060424U JP 6042487 U JP6042487 U JP 6042487U JP H072179 Y2 JPH072179 Y2 JP H072179Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutting
- hole
- cutting member
- transverse groove
- medium
- 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
Landscapes
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling Tools (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987060424U JPH072179Y2 (ja) | 1987-04-21 | 1987-04-21 | コンクリート穿孔用回転ドリル |
DE3788094T DE3788094T2 (de) | 1986-08-29 | 1987-08-26 | Bohrer. |
EP87307570A EP0260026B1 (en) | 1986-08-29 | 1987-08-26 | Drill |
KR1019870009525A KR910001814B1 (ko) | 1986-08-29 | 1987-08-29 | 드 릴 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987060424U JPH072179Y2 (ja) | 1987-04-21 | 1987-04-21 | コンクリート穿孔用回転ドリル |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63166403U JPS63166403U (US06582424-20030624-M00016.png) | 1988-10-28 |
JPH072179Y2 true JPH072179Y2 (ja) | 1995-01-25 |
Family
ID=30892824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987060424U Expired - Lifetime JPH072179Y2 (ja) | 1986-08-29 | 1987-04-21 | コンクリート穿孔用回転ドリル |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH072179Y2 (US06582424-20030624-M00016.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11165313A (ja) * | 1997-12-04 | 1999-06-22 | Nachi Fujikoshi Corp | ダイヤモンド電着ドリル |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5964216U (ja) * | 1982-10-25 | 1984-04-27 | 東芝タンガロイ株式会社 | タイル用のドリル |
JPS6087650U (ja) * | 1983-11-24 | 1985-06-15 | 東急建設株式会社 | ドリルの刃 |
-
1987
- 1987-04-21 JP JP1987060424U patent/JPH072179Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS63166403U (US06582424-20030624-M00016.png) | 1988-10-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6065908A (en) | Drill | |
US6652202B2 (en) | Drill bit apparatus and method of manufacture of same | |
US5553682A (en) | Rock drill | |
JPH08243826A (ja) | 二方向座ぐりバイト | |
US6321858B1 (en) | Bit for directional drilling | |
JP4361983B2 (ja) | ドリル工具及び/又はドリルハンマ工具 | |
JP3706664B2 (ja) | 穿孔具 | |
DE19810193A1 (de) | Bohrwerkzeug | |
JPH11170246A (ja) | 孔あけ用工具 | |
US4854788A (en) | Drill | |
CA2183026C (en) | Drill bit with debris conveying flute | |
JPH072179Y2 (ja) | コンクリート穿孔用回転ドリル | |
CN1758977B (zh) | 铲状钻头 | |
JP2004529280A (ja) | ドリルビット | |
US6213230B1 (en) | Drilling tool especially for the rotary percussion drilling of preferably rock | |
US10047564B2 (en) | Rotary percussive piloted rock drill bit | |
JPH0746496Y2 (ja) | 小孔穿孔用回転ドリル | |
JPH061768Y2 (ja) | コンクリ−ト穿孔用回転ドリル | |
JP2004502553A (ja) | 割り出し可能ドリルおよびその切削用インサート | |
JP2507238Y2 (ja) | 面取チップを有するツ―ル | |
EP0260026B1 (en) | Drill | |
US2926353A (en) | Chuck and handle for manual installation of self-drilling expansion shells | |
JPS6339048Y2 (US06582424-20030624-M00016.png) | ||
JP2001020651A (ja) | 穿孔ビット | |
US7163070B2 (en) | Drill head |