CN1216944A - 钻头 - Google Patents
钻头 Download PDFInfo
- Publication number
- CN1216944A CN1216944A CN 97194176 CN97194176A CN1216944A CN 1216944 A CN1216944 A CN 1216944A CN 97194176 CN97194176 CN 97194176 CN 97194176 A CN97194176 A CN 97194176A CN 1216944 A CN1216944 A CN 1216944A
- Authority
- CN
- China
- Prior art keywords
- plane
- cutting blade
- knife bar
- tip
- drill bit
- 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
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims 1
- 230000014509 gene expression Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Landscapes
- Drilling Tools (AREA)
Abstract
Description
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE96016746 | 1996-05-02 | ||
SE9601674A SE507827C2 (sv) | 1996-05-02 | 1996-05-02 | Borr |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1216944A true CN1216944A (zh) | 1999-05-19 |
CN1087987C CN1087987C (zh) | 2002-07-24 |
Family
ID=20402427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97194176A Expired - Lifetime CN1087987C (zh) | 1996-05-02 | 1997-04-29 | 钻头 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0907445B1 (zh) |
JP (1) | JP2000508976A (zh) |
CN (1) | CN1087987C (zh) |
DE (1) | DE69709351T2 (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1669706B (zh) * | 2003-11-14 | 2012-02-29 | 乌尔夫·胡勒 | 夹紧固定在一个基体中的钻孔刀片 |
CN102773528A (zh) * | 2011-05-11 | 2012-11-14 | 钴碳化钨硬质合金公司 | 具有pcd切削刃尖的改进型旋转切削刀具 |
CN104379284A (zh) * | 2012-05-30 | 2015-02-25 | Osg株式会社 | 三刃钻头 |
CN107530792A (zh) * | 2015-05-08 | 2018-01-02 | 特固克有限会社 | 切割工具 |
CN107542406A (zh) * | 2016-06-27 | 2018-01-05 | 林惠花 | 一种石墨烯钻头 |
WO2019047251A1 (zh) * | 2017-09-07 | 2019-03-14 | 深圳市鑫国钰精密工具有限公司 | 钻头 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10337203A1 (de) * | 2003-08-13 | 2005-03-31 | Kennametal Inc. | Bohrwerkzeug |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4222690A (en) * | 1977-12-03 | 1980-09-16 | Ryosuke Hosoi | Drill having cutting edges with the greatest curvature at the central portion thereof |
DE3131794C2 (de) * | 1980-08-29 | 1986-08-07 | Toshiaki Osaka Hosoi | Bohrer |
JPS6025608A (ja) * | 1983-07-19 | 1985-02-08 | Masao Kubota | ツイストドリル |
SE501515C2 (sv) * | 1993-03-03 | 1995-03-06 | Sandvik Ab | Spiralborr med förbättrad böjstyvhet |
-
1997
- 1997-04-29 DE DE69709351T patent/DE69709351T2/de not_active Expired - Lifetime
- 1997-04-29 EP EP97922251A patent/EP0907445B1/en not_active Expired - Lifetime
- 1997-04-29 JP JP9538812A patent/JP2000508976A/ja active Pending
- 1997-04-29 CN CN97194176A patent/CN1087987C/zh not_active Expired - Lifetime
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1669706B (zh) * | 2003-11-14 | 2012-02-29 | 乌尔夫·胡勒 | 夹紧固定在一个基体中的钻孔刀片 |
CN102773528A (zh) * | 2011-05-11 | 2012-11-14 | 钴碳化钨硬质合金公司 | 具有pcd切削刃尖的改进型旋转切削刀具 |
CN102773528B (zh) * | 2011-05-11 | 2016-05-18 | 钴碳化钨硬质合金公司 | 切削刀具及其形成方法 |
CN104379284A (zh) * | 2012-05-30 | 2015-02-25 | Osg株式会社 | 三刃钻头 |
CN104379284B (zh) * | 2012-05-30 | 2017-03-15 | Osg株式会社 | 三刃钻头 |
US9713846B2 (en) | 2012-05-30 | 2017-07-25 | Osg Corporation | 3-blade drill |
CN107530792A (zh) * | 2015-05-08 | 2018-01-02 | 特固克有限会社 | 切割工具 |
CN107542406A (zh) * | 2016-06-27 | 2018-01-05 | 林惠花 | 一种石墨烯钻头 |
WO2019047251A1 (zh) * | 2017-09-07 | 2019-03-14 | 深圳市鑫国钰精密工具有限公司 | 钻头 |
Also Published As
Publication number | Publication date |
---|---|
CN1087987C (zh) | 2002-07-24 |
DE69709351D1 (de) | 2002-01-31 |
EP0907445B1 (en) | 2001-12-19 |
JP2000508976A (ja) | 2000-07-18 |
DE69709351T2 (de) | 2002-08-14 |
EP0907445A1 (en) | 1999-04-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SANDVIK INTELLECTUAL PROPERTY STOCK CO., LTD. Free format text: FORMER OWNER: SANDVIK AB Effective date: 20050708 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20050708 Address after: Sandviken Patentee after: Sandvik AB Address before: Sandviken Patentee before: Sandvik AB |
|
ASS | Succession or assignment of patent right |
Owner name: SANDVIK INTELLECTUAL PROPERTY RIGHTS CO., LTD. Free format text: FORMER OWNER: SANDVIK INTELLECTUAL PROPERTY STOCK CO., LTD. Effective date: 20051209 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20051209 Address after: Sandviken Patentee after: Sandvik Aktiebolag Address before: Sandviken Patentee before: Sandvik AB |
|
CX01 | Expiry of patent term |
Granted publication date: 20020724 |
|
CX01 | Expiry of patent term |