FR2299941B1 - - Google Patents
Info
- Publication number
- FR2299941B1 FR2299941B1 FR7503750A FR7503750A FR2299941B1 FR 2299941 B1 FR2299941 B1 FR 2299941B1 FR 7503750 A FR7503750 A FR 7503750A FR 7503750 A FR7503750 A FR 7503750A FR 2299941 B1 FR2299941 B1 FR 2299941B1
- 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.)
- Expired
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K5/00—Making tools or tool parts, e.g. pliers
- B21K5/02—Making tools or tool parts, e.g. pliers drilling-tools or other for making or working on holes
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/14—Configuration of the cutting part, i.e. the main cutting edges
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7503750A FR2299941A1 (en) | 1975-02-06 | 1975-02-06 | Method of forming a drill - involves forming two opposed depressions with flats forming a chisel tip |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7503750A FR2299941A1 (en) | 1975-02-06 | 1975-02-06 | Method of forming a drill - involves forming two opposed depressions with flats forming a chisel tip |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2299941A1 FR2299941A1 (en) | 1976-09-03 |
FR2299941B1 true FR2299941B1 (en) | 1980-07-25 |
Family
ID=9150867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7503750A Granted FR2299941A1 (en) | 1975-02-06 | 1975-02-06 | Method of forming a drill - involves forming two opposed depressions with flats forming a chisel tip |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2299941A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4948306A (en) * | 1987-08-08 | 1990-08-14 | Aldof Wurth GmbH & Co. KG | Drill |
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1975
- 1975-02-06 FR FR7503750A patent/FR2299941A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2299941A1 (en) | 1976-09-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |