FR2270978A1 - - Google Patents
Info
- Publication number
- FR2270978A1 FR2270978A1 FR7515147A FR7515147A FR2270978A1 FR 2270978 A1 FR2270978 A1 FR 2270978A1 FR 7515147 A FR7515147 A FR 7515147A FR 7515147 A FR7515147 A FR 7515147A FR 2270978 A1 FR2270978 A1 FR 2270978A1
- Authority
- FR
- France
- 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.)
- Withdrawn
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
- B23B2251/00—Details of tools for drilling machines
- B23B2251/04—Angles, e.g. cutting angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/04—Angles, e.g. cutting angles
- B23B2251/043—Helix angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/24—Overall form of drilling tools
- B23B2251/241—Cross sections of the diameter of the drill
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/40—Flutes, i.e. chip conveying grooves
- B23B2251/406—Flutes, i.e. chip conveying grooves of special form not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB22130/74A GB1509912A (en) | 1974-05-17 | 1974-05-17 | Twist drills |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2270978A1 true FR2270978A1 (es) | 1975-12-12 |
Family
ID=10174379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7515147A Withdrawn FR2270978A1 (es) | 1974-05-17 | 1975-05-15 |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS50156790A (es) |
| AU (1) | AU500271B2 (es) |
| BR (1) | BR7503011A (es) |
| CA (1) | CA1022775A (es) |
| DE (1) | DE2521938C3 (es) |
| ES (1) | ES437919A1 (es) |
| FR (1) | FR2270978A1 (es) |
| GB (1) | GB1509912A (es) |
| IE (1) | IE41050B1 (es) |
| IL (1) | IL47302A (es) |
| IN (1) | IN144887B (es) |
| IT (1) | IT1038197B (es) |
| NL (1) | NL7505612A (es) |
| SE (1) | SE7505581L (es) |
| ZA (1) | ZA753040B (es) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2541154A1 (fr) * | 1983-02-18 | 1984-08-24 | Santrade Ltd | Corps composite, en particulier foret helicoidal, constitue par un substrat revetu d'une couche de surface dure resistant a l'usure |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5331286A (en) * | 1976-09-02 | 1978-03-24 | Riyousuke Hosoi | Ball end mill |
| GB2184046B (en) * | 1985-12-13 | 1990-01-24 | Skf & Dormer Tools | Twist drill |
| JPS634211U (es) * | 1986-06-23 | 1988-01-12 | ||
| DE3891420T1 (de) * | 1988-10-21 | 1990-11-22 | Aleksej Vladimirovic Cubkov | Spiralbohrer |
| EP2366478B1 (en) * | 2001-07-10 | 2020-04-15 | Mitsubishi Materials Corporation | Drill |
| JP2006055965A (ja) * | 2004-08-23 | 2006-03-02 | Osg Corp | 低加工硬化超硬ドリル |
| JP5301647B2 (ja) * | 2009-02-20 | 2013-09-25 | オーエスジー株式会社 | ドリル付きタップ、およびめねじ加工方法 |
-
1974
- 1974-05-17 GB GB22130/74A patent/GB1509912A/en not_active Expired
-
1975
- 1975-05-08 IE IE1033/75A patent/IE41050B1/xx unknown
- 1975-05-09 CA CA226,654A patent/CA1022775A/en not_active Expired
- 1975-05-12 ZA ZA00753040A patent/ZA753040B/xx unknown
- 1975-05-13 NL NL7505612A patent/NL7505612A/xx not_active Application Discontinuation
- 1975-05-14 IN IN971/CAL/1975A patent/IN144887B/en unknown
- 1975-05-14 IL IL47302A patent/IL47302A/xx unknown
- 1975-05-15 FR FR7515147A patent/FR2270978A1/fr not_active Withdrawn
- 1975-05-15 BR BR3840/75D patent/BR7503011A/pt unknown
- 1975-05-15 SE SE7505581A patent/SE7505581L/xx unknown
- 1975-05-16 JP JP50058458A patent/JPS50156790A/ja active Pending
- 1975-05-16 IT IT23421/75A patent/IT1038197B/it active
- 1975-05-16 ES ES437919A patent/ES437919A1/es not_active Expired
- 1975-05-16 DE DE2521938A patent/DE2521938C3/de not_active Expired
- 1975-05-19 AU AU81256/75A patent/AU500271B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2541154A1 (fr) * | 1983-02-18 | 1984-08-24 | Santrade Ltd | Corps composite, en particulier foret helicoidal, constitue par un substrat revetu d'une couche de surface dure resistant a l'usure |
Also Published As
| Publication number | Publication date |
|---|---|
| IL47302A (en) | 1978-03-10 |
| BR7503011A (pt) | 1976-04-20 |
| IT1038197B (it) | 1979-11-20 |
| IN144887B (es) | 1978-07-22 |
| DE2521938A1 (de) | 1975-11-27 |
| DE2521938B2 (de) | 1979-07-05 |
| AU500271B2 (en) | 1979-05-17 |
| ZA753040B (en) | 1976-04-28 |
| DE2521938C3 (de) | 1980-03-06 |
| ES437919A1 (es) | 1977-01-01 |
| CA1022775A (en) | 1977-12-20 |
| IE41050B1 (en) | 1979-10-10 |
| IL47302A0 (en) | 1975-07-28 |
| IE41050L (en) | 1975-11-17 |
| SE7505581L (sv) | 1975-11-18 |
| JPS50156790A (es) | 1975-12-18 |
| AU8125675A (en) | 1976-11-25 |
| NL7505612A (nl) | 1975-11-19 |
| GB1509912A (en) | 1978-05-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |