ZA863979B - A method of making a blank of a drill bit - Google Patents
A method of making a blank of a drill bitInfo
- Publication number
- ZA863979B ZA863979B ZA863979A ZA863979A ZA863979B ZA 863979 B ZA863979 B ZA 863979B ZA 863979 A ZA863979 A ZA 863979A ZA 863979 A ZA863979 A ZA 863979A ZA 863979 B ZA863979 B ZA 863979B
- Authority
- ZA
- South Africa
- Prior art keywords
- blank
- making
- drill bit
- drill
- bit
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
- B23P15/32—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools twist-drills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA863979A ZA863979B (en) | 1985-06-13 | 1986-05-28 | A method of making a blank of a drill bit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA854462 | 1985-06-13 | ||
ZA863979A ZA863979B (en) | 1985-06-13 | 1986-05-28 | A method of making a blank of a drill bit |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA863979B true ZA863979B (en) | 1987-01-28 |
Family
ID=25577945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA863979A ZA863979B (en) | 1985-06-13 | 1986-05-28 | A method of making a blank of a drill bit |
Country Status (6)
Country | Link |
---|---|
US (1) | US4694710A (fr) |
EP (1) | EP0206652B1 (fr) |
JP (1) | JPS61288941A (fr) |
DE (1) | DE3681760D1 (fr) |
IE (1) | IE57510B1 (fr) |
ZA (1) | ZA863979B (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9701695D0 (en) * | 1997-01-28 | 1997-03-19 | De Beers Ind Diamond | Insert for an abrasive tool |
ZA982007B (en) * | 1997-03-17 | 1998-09-10 | De Beers Ind Diamond | Drill blank |
DE69810214T2 (de) * | 1997-08-27 | 2003-08-07 | De Beers Industrial Diamonds (Pty.) Ltd., Johannesburg | Verfahren zur Herstellung eines Bohrerrohlings |
JP2003205410A (ja) * | 2002-01-11 | 2003-07-22 | Mitsubishi Materials Kobe Tools Corp | 脆性材料用穴明け工具 |
BR112012016192A2 (pt) | 2009-12-31 | 2017-09-12 | Diamond Innovations Inc | Peça de partida para modelagem de ferramenta de usinagem |
GB201020967D0 (en) * | 2010-12-10 | 2011-01-26 | Element Six Production Pty Ltd | Bit for a rotary drill |
WO2013129586A1 (fr) * | 2012-02-28 | 2013-09-06 | 京セラ株式会社 | Ébauche de foret, procédé de fabrication d'ébauche de foret, foret, et procédé de fabrication pour foret |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1873423A (en) * | 1923-11-05 | 1932-08-23 | Cincinnati Grinders Inc | Grinding machine |
US1789408A (en) * | 1926-02-24 | 1931-01-20 | Hultgren Axel Gustaf Emanuel | Machine for centerless grinding |
SU547333A1 (ru) * | 1971-12-02 | 1977-02-25 | Предприятие П/Я Р-6793 | Способ изготовлени абразивного инструмента |
US4224380A (en) * | 1978-03-28 | 1980-09-23 | General Electric Company | Temperature resistant abrasive compact and method for making same |
CA1216158A (fr) * | 1981-11-09 | 1987-01-06 | Akio Hara | Composant compact composite, et sa fabrication |
CA1286510C (fr) * | 1984-06-12 | 1991-07-23 | Yuichiro Kohno | Batonnet de materiaux composites et sa preparation |
JPS60264371A (ja) * | 1984-06-12 | 1985-12-27 | 住友電気工業株式会社 | 複合焼結材料円柱体 |
-
1986
- 1986-05-28 ZA ZA863979A patent/ZA863979B/xx unknown
- 1986-05-29 IE IE1427/86A patent/IE57510B1/en not_active IP Right Cessation
- 1986-06-02 US US06/869,974 patent/US4694710A/en not_active Expired - Lifetime
- 1986-06-12 EP EP86304491A patent/EP0206652B1/fr not_active Expired - Lifetime
- 1986-06-12 DE DE8686304491T patent/DE3681760D1/de not_active Expired - Lifetime
- 1986-06-13 JP JP61138016A patent/JPS61288941A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
EP0206652A2 (fr) | 1986-12-30 |
JPS61288941A (ja) | 1986-12-19 |
IE861427L (en) | 1986-12-13 |
DE3681760D1 (de) | 1991-11-07 |
IE57510B1 (en) | 1992-11-18 |
EP0206652A3 (en) | 1988-11-02 |
US4694710A (en) | 1987-09-22 |
EP0206652B1 (fr) | 1991-10-02 |
JPH0474134B2 (fr) | 1992-11-25 |
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