FR2243774B1 - - Google Patents
Info
- Publication number
- FR2243774B1 FR2243774B1 FR7431304A FR7431304A FR2243774B1 FR 2243774 B1 FR2243774 B1 FR 2243774B1 FR 7431304 A FR7431304 A FR 7431304A FR 7431304 A FR7431304 A FR 7431304A FR 2243774 B1 FR2243774 B1 FR 2243774B1
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
- B23H1/04—Electrodes specially adapted therefor or their manufacture
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/397,335 US3948620A (en) | 1970-09-01 | 1973-09-14 | Method of making cutting master for erosion machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2243774A1 FR2243774A1 (en) | 1975-04-11 |
| FR2243774B1 true FR2243774B1 (en) | 1979-02-02 |
Family
ID=23570787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7431304A Expired FR2243774B1 (en) | 1973-09-14 | 1974-09-16 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5077226A (en) |
| CH (1) | CH588328A5 (en) |
| DE (1) | DE2444236A1 (en) |
| ES (2) | ES430057A1 (en) |
| FR (1) | FR2243774B1 (en) |
| GB (1) | GB1486802A (en) |
| IT (1) | IT1019288B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS521830A (en) * | 1975-06-23 | 1977-01-08 | Fuji Heavy Ind Ltd | Device to prevent tired or drunk driving |
| FR2527963A1 (en) * | 1982-06-07 | 1983-12-09 | Fiz Tekhn I Ak | Finish machining of electroerosion electrodes - for prodn. of stamping tool and die sets |
| DE3222586A1 (en) * | 1982-06-16 | 1983-12-22 | Fiziko-techničeskij institut Akademii Nauk Belorusskoj SSR, Minsk | Method of producing tool electrodes for electrical discharge machining, and apparatus for carrying out the method |
| GB2162454B (en) * | 1984-08-01 | 1988-12-14 | Dowty Rotol Ltd | Method of manufacturing internally-toothed bevel gear and apparatus therefor |
-
1974
- 1974-09-13 GB GB4004674A patent/GB1486802A/en not_active Expired
- 1974-09-14 ES ES430057A patent/ES430057A1/en not_active Expired
- 1974-09-14 JP JP10662174A patent/JPS5077226A/ja active Pending
- 1974-09-16 DE DE19742444236 patent/DE2444236A1/en not_active Withdrawn
- 1974-09-16 CH CH1253074A patent/CH588328A5/xx not_active IP Right Cessation
- 1974-09-16 FR FR7431304A patent/FR2243774B1/fr not_active Expired
- 1974-09-16 IT IT5303874A patent/IT1019288B/en active
-
1976
- 1976-07-01 ES ES449461A patent/ES449461A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH588328A5 (en) | 1977-05-31 |
| ES449461A1 (en) | 1977-07-16 |
| JPS5077226A (en) | 1975-06-24 |
| GB1486802A (en) | 1977-09-28 |
| DE2444236A1 (en) | 1975-03-20 |
| FR2243774A1 (en) | 1975-04-11 |
| ES430057A1 (en) | 1977-01-16 |
| IT1019288B (en) | 1977-11-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |