DE3879555D1 - Bohrer mit schneideinsatz. - Google Patents
Bohrer mit schneideinsatz.Info
- Publication number
- DE3879555D1 DE3879555D1 DE8888305561T DE3879555T DE3879555D1 DE 3879555 D1 DE3879555 D1 DE 3879555D1 DE 8888305561 T DE8888305561 T DE 8888305561T DE 3879555 T DE3879555 T DE 3879555T DE 3879555 D1 DE3879555 D1 DE 3879555D1
- Authority
- DE
- Germany
- Prior art keywords
- insert
- drill
- facet
- cutting
- seat
- 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 - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/02—Twist drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
- B23B2228/12—Abrasive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2240/00—Details of connections of tools or workpieces
- B23B2240/08—Brazed connections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/50—Drilling tools comprising cutting inserts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
- Earth Drilling (AREA)
- Surgical Instruments (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878714340A GB8714340D0 (en) | 1987-06-18 | 1987-06-18 | Drill bit |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3879555D1 true DE3879555D1 (de) | 1993-04-29 |
DE3879555T2 DE3879555T2 (de) | 1993-07-01 |
Family
ID=10619178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888305561T Expired - Fee Related DE3879555T2 (de) | 1987-06-18 | 1988-06-17 | Bohrer mit schneideinsatz. |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0295946B1 (de) |
JP (1) | JPH0732969B2 (de) |
KR (1) | KR950009957B1 (de) |
AT (1) | ATE87251T1 (de) |
AU (1) | AU598383B2 (de) |
CA (1) | CA1326146C (de) |
DE (1) | DE3879555T2 (de) |
GB (1) | GB8714340D0 (de) |
ZA (1) | ZA884335B (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9104366D0 (en) * | 1991-03-01 | 1991-04-17 | De Beers Ind Diamond | Composite cutting insert |
GB9310500D0 (en) * | 1993-05-21 | 1993-07-07 | De Beers Ind Diamond | Cutting tool |
US6135681A (en) * | 1998-08-21 | 2000-10-24 | Allied Machine & Engineering | Flat bottom tool |
EP2593255B1 (de) * | 2010-07-13 | 2016-10-12 | Element Six Limited | Herstellungsverfahren für eine konstruktion einer wendeschneidplatte |
GB201020967D0 (en) * | 2010-12-10 | 2011-01-26 | Element Six Production Pty Ltd | Bit for a rotary drill |
JP6029004B2 (ja) * | 2011-11-28 | 2016-11-24 | 三菱マテリアル株式会社 | Pcdドリル |
USD734790S1 (en) | 2013-06-12 | 2015-07-21 | Element Six (Production) (Pty) Ltd | Drill bit tip |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD17839A (de) * | ||||
DE602663C (de) * | 1931-12-23 | 1934-09-13 | Fried Krupp Akt Ges | Spiral- oder Spitzbohrer fuer Metall |
SE382579B (sv) * | 1974-01-30 | 1976-02-09 | Skf Ind Trading & Dev | Sett att framstella skerverktyg av vendskertyp med flera skereggar |
US4222690A (en) * | 1977-12-03 | 1980-09-16 | Ryosuke Hosoi | Drill having cutting edges with the greatest curvature at the central portion thereof |
FR2423626B1 (fr) * | 1978-04-21 | 1985-11-29 | Christensen Inc Norton | Trepan de forage rotatif pour forages profonds |
US4505721A (en) * | 1982-03-31 | 1985-03-19 | Almond Eric A | Abrasive bodies |
CA1286510C (en) * | 1984-06-12 | 1991-07-23 | Yuichiro Kohno | Stick of composite materials and process for preparation thereof |
-
1987
- 1987-06-18 GB GB878714340A patent/GB8714340D0/en active Pending
-
1988
- 1988-06-16 AU AU17762/88A patent/AU598383B2/en not_active Ceased
- 1988-06-17 ZA ZA884335A patent/ZA884335B/xx unknown
- 1988-06-17 DE DE8888305561T patent/DE3879555T2/de not_active Expired - Fee Related
- 1988-06-17 KR KR88007306A patent/KR950009957B1/ko not_active IP Right Cessation
- 1988-06-17 EP EP88305561A patent/EP0295946B1/de not_active Expired - Lifetime
- 1988-06-17 AT AT88305561T patent/ATE87251T1/de not_active IP Right Cessation
- 1988-06-17 CA CA000569831A patent/CA1326146C/en not_active Expired - Fee Related
- 1988-06-18 JP JP63151071A patent/JPH0732969B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU598383B2 (en) | 1990-06-21 |
JPS6416330A (en) | 1989-01-19 |
EP0295946A1 (de) | 1988-12-21 |
KR950009957B1 (en) | 1995-09-04 |
ZA884335B (en) | 1989-03-29 |
EP0295946B1 (de) | 1993-03-24 |
JPH0732969B2 (ja) | 1995-04-12 |
AU1776288A (en) | 1988-12-22 |
ATE87251T1 (de) | 1993-04-15 |
GB8714340D0 (en) | 1987-07-22 |
KR890000195A (ko) | 1989-03-13 |
DE3879555T2 (de) | 1993-07-01 |
CA1326146C (en) | 1994-01-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) |
|
8339 | Ceased/non-payment of the annual fee |